Subtract 28/14 from 1/63, Solve 1/63

Subtract 28/14 from 1/63

1^st number: 1/63, 2^nd number: 2 0/14

1/63 - 28/14 is -125/63.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 14 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 63 × 2 = 126,
1/63 = 1 × 2/63 × 2 = 2/126
Likewise, for the 2nd fraction, since 14 × 9 = 126,
28/14 = 28 × 9/14 × 9 = 252/126
Subtract the two like fractions:
2/126 - 252/126 = 2 - 252/126 = -250/126
After reducing the fraction, the answer is -125/63

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