Subtract 50/63 from 28/18, Solve 1 10/18

Subtract 50/63 from 28/18

1^st number: 1 10/18, 2^nd number: 50/63

28/18 - 50/63 is 16/21.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 63 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 18 × 7 = 126,
28/18 = 28 × 7/18 × 7 = 196/126
Likewise, for the 2nd fraction, since 63 × 2 = 126,
50/63 = 50 × 2/63 × 2 = 100/126
Subtract the two like fractions:
196/126 - 100/126 = 196 - 100/126 = 96/126
After reducing the fraction, the answer is 16/21

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