Subtract 1/27 from 21/14, Solve 1 7/14

Subtract 1/27 from 21/14

1^st number: 1 7/14, 2^nd number: 1/27

21/14 - 1/27 is 79/54.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 27 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 14 × 27 = 378,
21/14 = 21 × 27/14 × 27 = 567/378
Likewise, for the 2nd fraction, since 27 × 14 = 378,
1/27 = 1 × 14/27 × 14 = 14/378
Subtract the two like fractions:
567/378 - 14/378 = 567 - 14/378 = 553/378
After reducing the fraction, the answer is 79/54
In mixed form: 125/54

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