Subtract 84/63 from 4/5
1st number: 4/5, 2nd number: 1 21/63
4/5 - 84/63 is -8/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 5 × 63 = 315,
4/5 = 4 × 63/5 × 63 = 252/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
84/63 = 84 × 5/63 × 5 = 420/315 - Subtract the two like fractions:
252/315 - 420/315 = 252 - 420/315 = -168/315 - After reducing the fraction, the answer is -8/15
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