Subtract 81/60 from 50/63
1st number: 50/63, 2nd number: 1 21/60
50/63 - 81/60 is -701/1260.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 60 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 63 × 20 = 1260,
50/63 = 50 × 20/63 × 20 = 1000/1260 - Likewise, for the 2nd fraction, since 60 × 21 = 1260,
81/60 = 81 × 21/60 × 21 = 1701/1260 - Subtract the two like fractions:
1000/1260 - 1701/1260 = 1000 - 1701/1260 = -701/1260
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