New Learning Composite Mathematics Class 7 SK Gupta Anubhuti Gangal Rational Numbers Chapter 3D Solution

New Learning Composite Mathematics SK Gupta Anubhuti Gangal Class 7 Rational Numbers Self Practice 3D Solution

(1) Find Each Sum

(a) 1/2 + (7/-8)
(b) -1/4 + (7/-12)
(c) 43/5 + (-71/10)
(d) – 22/7 + (-19/30)

(2) Subtract:

(a) 1/13 from -5/26
(b) 8/-15 from -11/30
(c) 29/25 from -157/50
(d) 14/11 from 71/22

(3) Add.

(a) 7/-8 and 5/11
(b) 1~2/3 and -2~1/5
(c) -1~3/7 and 1~3/8
(d) -14~7/11 and -35~9/10

SOLUTION Number 1,2 & 3:

(4) Subtract:

(a) 3/2 from 5/-9
(b) -9/22 from -5/21
(c) -1~1/7 from -2~3/10
(d) -6~5/8 from 1~4/11

SOLUTION Number 4:

(5) Find the sum.

(a) 17/20 + (-19/25)
(b) 1~5/8 + 9/-12
(c) -2~5/6 + 2~9/14

(6) Subtract:

(a) -1~3/8 from 5~7/12
(b) -1~4/15 from 11/-20
(c) 4~7/10 from 18/-25

(7) Simplify:

(a) -10 + (-6~1/5)
(b) -19/80 – (-3)
(c) 18/-19 + 1~1/38 – 2~7/57
(d) -5/17 + (-2/5)
(e) 6 + 9/-11
(f) -5/18 + 17/-24 + 1~29/36 – 2

SOLUTION Number 5, 6 & 7:

(8) Simplify:

5/-9 – 7/-12 – 2 – (-5/-6)

(9) Subtract (3/7 + 5/-9) from the negative of 8/-63

SOLUTION Number 8 & 9:


3 Comments

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  1. Need
    Solution for
    New mathematics today class 7
    S chand publication

    1. Ok we will upload it…

  2. Naitik Shrivastava

    Thank you for giving all the solution

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