Subtract 15/8 from 54/56
1st number: 54/56, 2nd number: 1 7/8
54/56 - 15/8 is -51/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
54/56 = 54 × 1/56 × 1 = 54/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
15/8 = 15 × 7/8 × 7 = 105/56 - Subtract the two like fractions:
54/56 - 105/56 = 54 - 105/56 = -51/56
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