Question

3/5 x 7/5 x 4/3 : 28/15​

Answer 1

Answer:

(b) −2815

8−15=−815 and4−3=−43

Now, we have:

(8−15+4−3)=(−815+−43)

LCM of 15 and 3 is (3×5×1), that is,15

−815+−43=1×(−8)+5×(−4)15

=(−8)+(−20)15=−2815