Subtract 12/56 from 36/21
1st number: 1 15/21, 2nd number: 12/56
36/21 - 12/56 is 3/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
36/21 = 36 × 8/21 × 8 = 288/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
12/56 = 12 × 3/56 × 3 = 36/168 - Subtract the two like fractions:
288/168 - 36/168 = 288 - 36/168 = 252/168 - After reducing the fraction, the answer is 3/2
- In mixed form: 11/2
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