Subtract 21/14 from 5/63
1st number: 5/63, 2nd number: 1 7/14
5/63 - 21/14 is -179/126.
Steps for subtracting fractions
- 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,
5/63 = 5 × 2/63 × 2 = 10/126 - Likewise, for the 2nd fraction, since 14 × 9 = 126,
21/14 = 21 × 9/14 × 9 = 189/126 - Subtract the two like fractions:
10/126 - 189/126 = 10 - 189/126 = -179/126
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