Subtract 90/60 from 35/63
1st number: 35/63, 2nd number: 1 30/60
35/63 - 90/60 is -17/18.
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,
35/63 = 35 × 20/63 × 20 = 700/1260 - Likewise, for the 2nd fraction, since 60 × 21 = 1260,
90/60 = 90 × 21/60 × 21 = 1890/1260 - Subtract the two like fractions:
700/1260 - 1890/1260 = 700 - 1890/1260 = -1190/1260 - After reducing the fraction, the answer is -17/18
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Related: 70/63-90/60