**Decimals** Class- 7th RS Aggarwal Exe-3A Goyal Brothers ICSE Math Solution . We provide step by step Solutions of lesson-3 Decimals for ICSE Class-7 **Foundation RS Aggarwal Mathematics** of Goyal Brothers Prakashan . Our Solutions contain all type Questions of Exe-3A to develop skill and confidence. Visit official Website **CISCE** for detail information about ICSE Board Class-7 Mathematics.

## Decimals Class- 7th RS Aggarwal Exe-3A Goyal Brothers ICSE Math Solution

Board | ICSE |

Publications | Goyal brothers Prakashan |

Subject | Maths |

Class | 7th |

Chapter-3 | Decimals |

Writer | RS Aggrawal |

Book Name | Foundation |

Topics | Solution of Exe-3A |

Academic Session | 2023 – 2024 |

**Exercise – 3A**

Decimals Class- 7th RS Aggarwal Exe-3A Goyal Brothers ICSE Math Solution

**1. Convert the following decimals into like decimals :**

**(i) 8.1, 9.4, 6.05, 12**

**Solution: **8.1, 9.4, 6.05, 12

= 8.10, 9.40, 6.05, 12.00

(Taken upto 2 decimal places)

**(ii) 6.35, 11.8, 9.125, 32.04, 9**

**Solution:** 6.35, 11.8, 9.125, 32.04, 9

= 6.350, 11.800, 9.125, 32.040, 9.000

(Taken upto 3 decimal places)

**(iii) 6.005, 2, 0.6, 1.78, 14.3**

**Solution: **6.005, 2, 0.6, 1.78, 14.3

= 6.005, 2.000, 0.600, 1.780, 14.300

(Taken upto 3 decimal places)

**(iv) 0.72, 53.76, 16, 8.304, 2.3754**

**Solution: **0.72, 53.76, 16, 8.304, 2.3754

= 0.7200, 53.7600, 16.0000, 8.3040, 2.3754

(Taken upto 4 decimal places)

**2. Write each of the following decimals into expanded form :**

**(i) 16.74**

**Solution: **16.74

Expanded form = [10 + 6 + (7/10) + (4/100)]

**(ii) 243.689**

**Solution: **243.689

Expanded form = [200 + 40 + 3 + (3/10) + (8/100) + (9/1000)]

**(iii) 9.3578**

**Solution: **9.3578

Expanded form = [9 + (3/10) + (5/100) + (7/1000) + (8/10000)]

**(iv) 2314.57**

**Solution: **2314.57

Expanded form = [200 + 300 + 10 + 4 + (5/10) + (7/10)]

**3. Express each of the following as a fraction in simplest form :**

**(i) 0.8**

**Solution: **0.8

= (8/10)

= (4/5)

**(ii) 0.45**

**Solution: **0.45

= (0.45/100)

= (9/20)

**(iii) 1.6**

**Solution: **1.6

= (1.6/10)

= (8/5)

= 1(3/5)

**(iv) 4.75**

**Solution: **4.75

= (4.75/100)

= (19/4)

= 4(3/4)

**(v) 0.345**

**Solution: **0.345

= (0.345/1000)

= (69/200)

**(vi) 64.015**

**Solution: **64.015

= (64.015/1000)

= (12803/200)

= 64(3/200)

**(vii) 12.725**

**Solution: **12.725

= (12.725/1000)

= (509/40)

= 12(29/40)

**(viii) 0.0024**

**Solution:** 0.0024

= (24/10000)

= (3/1250)

**4. Convert each of the following fractions into a decimal :**

**(i) (19/10)**

**Solution: **(19/10)

= 1.9

**(ii) (243/100)**

**Solution: **(243/100)

= 2.43

**(iii) (51/100)**

**Solution: **(51/100)

= 0.51

**(iv) (9/100)**

**Solution: **(9/100)

= 0.09

**(v) (72/1000)**

**Solution: **(72/1000)

= 0.072

**(vi) (3/5)**

**Solution: **(3/5)

= 0.6

**(vii) (7/8)**

**Solution: **(7/8)

= 0.875

**(viii) (37/40)**

**Solution: **(37/40)

= 0.925

**(ix) 4(3/8)**

**Solution: **4(3/8)

= (35/8)

= 4.375

**(x) 9(1/25)**

**Solution: **9(1/25)

= (226/25)

= 9.04

**(xi) 2(9/16)**

**Solution: **2(9/16)

= (41/16)

= 2.5625

**(xii) 4(11/125)**

**Solution: **4(11/125)

= (511/125)

= 4.088

**— : end of Decimals Class- 7th RS Aggarwal Exe-3A Goyal Brothers ICSE Math Solution:–**

**Return to- ICSE Class -7 RS Aggarwal Goyal Brothers Math Solutions**

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