1.

3/28 — 7/10 + 15/6 — 36/12

Answer»

3/28 - 7/10 + 15/6 - 36/12= 3/28 - 7/10 + 5/2 - 3Take LCM= (3*5 - 7*14 + 5*70 - 3*140)/140= (15 - 98 + 350 - 520)/140= - 253/140.= - 1.8



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