Subtract 16/9 from 42/28, Solve 1 14/28

Subtract 16/9 from 42/28

1^st number: 1 14/28, 2^nd number: 1 7/9

42/28 - 16/9 is -5/18.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 9 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 28 × 9 = 252,
42/28 = 42 × 9/28 × 9 = 378/252
Likewise, for the 2nd fraction, since 9 × 28 = 252,
16/9 = 16 × 28/9 × 28 = 448/252
Subtract the two like fractions:
378/252 - 448/252 = 378 - 448/252 = -70/252
After reducing the fraction, the answer is -5/18

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