Subtract 75/56 from 54/21
1st number: 2 12/21, 2nd number: 1 19/56
54/21 - 75/56 is 69/56.
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,
54/21 = 54 × 8/21 × 8 = 432/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
75/56 = 75 × 3/56 × 3 = 225/168 - Subtract the two like fractions:
432/168 - 225/168 = 432 - 225/168 = 207/168 - After reducing the fraction, the answer is 69/56
- In mixed form: 113/56
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