Subtract 21/4 from 3/63
1st number: 3/63, 2nd number: 5 1/4
3/63 - 21/4 is -437/84.
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,
3/63 = 3 × 4/63 × 4 = 12/252 - Likewise, for the 2nd fraction, since 4 × 63 = 252,
21/4 = 21 × 63/4 × 63 = 1323/252 - Subtract the two like fractions:
12/252 - 1323/252 = 12 - 1323/252 = -1311/252 - After reducing the fraction, the answer is -437/84
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