Subtract 90/60 from 50/63
1st number: 50/63, 2nd number: 1 30/60
50/63 - 90/60 is -89/126.
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,
90/60 = 90 × 21/60 × 21 = 1890/1260 - Subtract the two like fractions:
1000/1260 - 1890/1260 = 1000 - 1890/1260 = -890/1260 - After reducing the fraction, the answer is -89/126
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