Subtract 8/70 from 56/15, Solve 3 11/15

Subtract 8/70 from 56/15

1^st number: 3 11/15, 2^nd number: 8/70

56/15 - 8/70 is 76/21.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 70 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 15 × 14 = 210,
56/15 = 56 × 14/15 × 14 = 784/210
Likewise, for the 2nd fraction, since 70 × 3 = 210,
8/70 = 8 × 3/70 × 3 = 24/210
Subtract the two like fractions:
784/210 - 24/210 = 784 - 24/210 = 760/210
After reducing the fraction, the answer is 76/21
In mixed form: 313/21

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