Subtract 81/20 from 63/15
1st number: 4 3/15, 2nd number: 4 1/20
63/15 - 81/20 is 3/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
63/15 = 63 × 4/15 × 4 = 252/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
81/20 = 81 × 3/20 × 3 = 243/60 - Subtract the two like fractions:
252/60 - 243/60 = 252 - 243/60 = 9/60 - After reducing the fraction, the answer is 3/20
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