Experts please explain this question How tosolve - Maths - Rational Numbers

Question

Experts please explain this question How tosolve

Pushandeep Sengupta · Accepted Answer

Dear student,
<img alt="" src=
"https://s3mn%20mnimgs%20com/img/shared/content_ck_images/ck_5f300657645e9%20jpg"
style="width: 500px; height: 113px;">
So the number to be added is 127

Regards

Experts please explain this question. How tosolve