Operation on rational numbers class 7 practice set 22
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Maths operations of of rational numbers 7th standard answers practice set 22 question number 5
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Answer:
Step-by-step explanation:
Given
Maths operations of of rational numbers 7th standard answers practice set 22 question number 5
The questions are about division of rational numbers.
1. 40/12 / 10 / 4
= 40 / 12 x 4/10
= 160 / 120
= 4/3
2. – 10/11 / -11/10
= 10 / 11 x 10 / 11
= 100 / 121
3. -7/8 / -3/6
= -7/8 x -6/3
= 42/24
= 7/4
4. 2/3 / -4
= 2/3 x -1/4
= -2/12
= -1/6
5. 2 1/5 / 5 3/6
We need to convert mixed fraction
= 11/5 / 33/6
= 11/5 x 6/33
= 11/5 x 2/11
= 2/5
6. -5/13 / 7/26
= -5/13 x 26/7
= -5 x 2/7
= -10 / 7
7. 9/11 / - 8
= 9/11 / -1/8
= -9/88
8. 5 / 2/5
= 5/1 x 5/2
= 25/2
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