Subtract 84/81 from 80/63
1st number: 1 17/63, 2nd number: 1 3/81
80/63 - 84/81 is 44/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 81 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 63 × 9 = 567,
80/63 = 80 × 9/63 × 9 = 720/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
84/81 = 84 × 7/81 × 7 = 588/567 - Subtract the two like fractions:
720/567 - 588/567 = 720 - 588/567 = 132/567 - After reducing the fraction, the answer is 44/189
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