Question

simplify :2/3+-4/7+7/15+-11/20​

Answer 1

Step-by-step explanation:

2/3 + (-4/7) + 7/15 + (-11/20)

2/3 - 4/7 + 7/15 - 11/20

4200 - 3200 + 2940 - 3465/6300

475/6300

95/1260 = 19/252

Answer 2

Answer:

1/84

Step-by-step explanation:

by taking L.C.M of 3,7,15,20 we get 420.

so,

280-240+196-231

----——-----------------

420

= 1/84 ans.......

HOPE THIS WILL HELP YOU......