Subtract 63/21 from 12/63
1st number: 12/63, 2nd number: 3 0/21
12/63 - 63/21 is -59/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 21 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
12/63 = 12 × 1/63 × 1 = 12/63 - Likewise, for the 2nd fraction, since 21 × 3 = 63,
63/21 = 63 × 3/21 × 3 = 189/63 - Subtract the two like fractions:
12/63 - 189/63 = 12 - 189/63 = -177/63 - After reducing the fraction, the answer is -59/21
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