Subtract 7/54 from 2/56
2/56 - 7/54 is -71/756.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 54 is 1512
Next, find the equivalent fraction of both fractional numbers with denominator 1512 - For the 1st fraction, since 56 × 27 = 1512,
2/56 = 2 × 27/56 × 27 = 54/1512 - Likewise, for the 2nd fraction, since 54 × 28 = 1512,
7/54 = 7 × 28/54 × 28 = 196/1512 - Subtract the two like fractions:
54/1512 - 196/1512 = 54 - 196/1512 = -142/1512 - After reducing the fraction, the answer is -71/756
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