Subtract 90/84 from 4/63
1st number: 4/63, 2nd number: 1 6/84
4/63 - 90/84 is -127/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
4/63 = 4 × 4/63 × 4 = 16/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
90/84 = 90 × 3/84 × 3 = 270/252 - Subtract the two like fractions:
16/252 - 270/252 = 16 - 270/252 = -254/252 - After reducing the fraction, the answer is -127/126
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