Science, asked by akshara514734, 1 month ago

find

1) 3/7 + -8/3
2) 5/8 × 3/7
3)-2/9 +3/5
4)-4/9 - 6/5
5) 5/7 ÷3/7
please answer correctly
please answer step bye step

Answers

Answered by ananthulaveena0805
1

Answer:

1. -47/21

2.15/56

3.17/45

4. -74/45

5. 5/3

Explanation:

1. LCM of 7 and 3 and multiply dr and nr

2. 5×3=15,8×7=56;15÷56

3.LCM of 9 and 5 then multiply

5. 5/7/3/7

7 will be cancelled

then answer is 5/3

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