Subtract 54/49 from 80/84
1st number: 80/84, 2nd number: 1 5/49
80/84 - 54/49 is -22/147.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 49 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 84 × 7 = 588,
80/84 = 80 × 7/84 × 7 = 560/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
54/49 = 54 × 12/49 × 12 = 648/588 - Subtract the two like fractions:
560/588 - 648/588 = 560 - 648/588 = -88/588 - After reducing the fraction, the answer is -22/147
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