Subtract 90/36 from 14/28, Solve 14/28

Subtract 90/36 from 14/28

1^st number: 14/28, 2^nd number: 2 18/36

14/28 - 90/36 is -2/1.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 36 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 28 × 9 = 252,
14/28 = 14 × 9/28 × 9 = 126/252
Likewise, for the 2nd fraction, since 36 × 7 = 252,
90/36 = 90 × 7/36 × 7 = 630/252
Subtract the two like fractions:
126/252 - 630/252 = 126 - 630/252 = -504/252
After reducing the fraction, the answer is -2/1

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