Subtract 20/4 from 12/63
1st number: 12/63, 2nd number: 5 0/4
12/63 - 20/4 is -101/21.
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,
12/63 = 12 × 4/63 × 4 = 48/252 - Likewise, for the 2nd fraction, since 4 × 63 = 252,
20/4 = 20 × 63/4 × 63 = 1260/252 - Subtract the two like fractions:
48/252 - 1260/252 = 48 - 1260/252 = -1212/252 - After reducing the fraction, the answer is -101/21
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