Subtract 28/36 from 49/21
1st number: 2 7/21, 2nd number: 28/36
49/21 - 28/36 is 14/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 21 × 12 = 252,
49/21 = 49 × 12/21 × 12 = 588/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
28/36 = 28 × 7/36 × 7 = 196/252 - Subtract the two like fractions:
588/252 - 196/252 = 588 - 196/252 = 392/252 - After reducing the fraction, the answer is 14/9
- In mixed form: 15/9
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