Subtract 4/14 from 20/15, Solve 1 5/15

Subtract 4/14 from 20/15

1^st number: 1 5/15, 2^nd number: 4/14

20/15 - 4/14 is 22/21.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 14 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 15 × 14 = 210,
20/15 = 20 × 14/15 × 14 = 280/210
Likewise, for the 2nd fraction, since 14 × 15 = 210,
4/14 = 4 × 15/14 × 15 = 60/210
Subtract the two like fractions:
280/210 - 60/210 = 280 - 60/210 = 220/210
After reducing the fraction, the answer is 22/21
In mixed form: 11/21

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