Subtract 21/4 from 5/63
1st number: 5/63, 2nd number: 5 1/4
5/63 - 21/4 is -1303/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 4 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
5/63 = 5 × 4/63 × 4 = 20/252 - Likewise, for the 2nd fraction, since 4 × 63 = 252,
21/4 = 21 × 63/4 × 63 = 1323/252 - Subtract the two like fractions:
20/252 - 1323/252 = 20 - 1323/252 = -1303/252
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