Subtract 15/24 from 54/21
1st number: 2 12/21, 2nd number: 15/24
54/21 - 15/24 is 109/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
54/21 = 54 × 8/21 × 8 = 432/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
15/24 = 15 × 7/24 × 7 = 105/168 - Subtract the two like fractions:
432/168 - 105/168 = 432 - 105/168 = 327/168 - After reducing the fraction, the answer is 109/56
- In mixed form: 153/56
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