Subtract 56/63 from 90/84
1st number: 1 6/84, 2nd number: 56/63
90/84 - 56/63 is 23/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
90/84 = 90 × 3/84 × 3 = 270/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
56/63 = 56 × 4/63 × 4 = 224/252 - Subtract the two like fractions:
270/252 - 224/252 = 270 - 224/252 = 46/252 - After reducing the fraction, the answer is 23/126
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