Subtract 7/49 from 21/12
1st number: 1 9/12, 2nd number: 7/49
21/12 - 7/49 is 45/28.
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,
7/49 = 7 × 12/49 × 12 = 84/588 - Subtract the two like fractions:
1029/588 - 84/588 = 1029 - 84/588 = 945/588 - After reducing the fraction, the answer is 45/28
- In mixed form: 117/28
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