Subtract 5/42 from 30/56
30/56 - 5/42 is 5/12.
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,
30/56 = 30 × 3/56 × 3 = 90/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
5/42 = 5 × 4/42 × 4 = 20/168 - Subtract the two like fractions:
90/168 - 20/168 = 90 - 20/168 = 70/168 - After reducing the fraction, the answer is 5/12
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