Subtract 9/42 from 54/56
54/56 - 9/42 is 3/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 42 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
54/56 = 54 × 3/56 × 3 = 162/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
9/42 = 9 × 4/42 × 4 = 36/168 - Subtract the two like fractions:
162/168 - 36/168 = 162 - 36/168 = 126/168 - After reducing the fraction, the answer is 3/4
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