Subtract 14/70 from 28/15, Solve 1 13/15

Subtract 14/70 from 28/15

1^st number: 1 13/15, 2^nd number: 14/70

28/15 - 14/70 is 5/3.

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,
28/15 = 28 × 14/15 × 14 = 392/210
Likewise, for the 2nd fraction, since 70 × 3 = 210,
14/70 = 14 × 3/70 × 3 = 42/210
Subtract the two like fractions:
392/210 - 42/210 = 392 - 42/210 = 350/210
After reducing the fraction, the answer is 5/3
In mixed form: 12/3

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