Subtract 81/49 from 21/12
1st number: 1 9/12, 2nd number: 1 32/49
21/12 - 81/49 is 19/196.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 49 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 12 × 49 = 588,
21/12 = 21 × 49/12 × 49 = 1029/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
81/49 = 81 × 12/49 × 12 = 972/588 - Subtract the two like fractions:
1029/588 - 972/588 = 1029 - 972/588 = 57/588 - After reducing the fraction, the answer is 19/196
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