Subtract 48/54 from 21/14, Solve 1 7/14

Subtract 48/54 from 21/14

1^st number: 1 7/14, 2^nd number: 48/54

21/14 - 48/54 is 11/18.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 54 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 54 × 7 = 378,
48/54 = 48 × 7/54 × 7 = 336/378
Subtract the two like fractions:
567/378 - 336/378 = 567 - 336/378 = 231/378
After reducing the fraction, the answer is 11/18

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