Subtract 72/20 from 3/63
1st number: 3/63, 2nd number: 3 12/20
3/63 - 72/20 is -373/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 20 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 63 × 20 = 1260,
3/63 = 3 × 20/63 × 20 = 60/1260 - Likewise, for the 2nd fraction, since 20 × 63 = 1260,
72/20 = 72 × 63/20 × 63 = 4536/1260 - Subtract the two like fractions:
60/1260 - 4536/1260 = 60 - 4536/1260 = -4476/1260 - After reducing the fraction, the answer is -373/105
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