Question

answer it properly ​

Answer 1

Answer:

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Explanation:

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Answer 2

Answer:

93 upon 63 or 1 whole 25 upon 63 (if mixed)

Explanation:

take LCM of 7 9 3 = 63

$\frac{21+35-(-42)}{63}$

add 21 into 35= 56

now add 56 into 42 as - - = +

answer will be$\frac{93}{63}$

make it mixed by dividing it:

$\left \{1 {1{25} \atop {63}} \right.$ is the answer.