Subtract 45/6 from 27/42
1st number: 27/42, 2nd number: 7 3/6
27/42 - 45/6 is -48/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 6 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
27/42 = 27 × 1/42 × 1 = 27/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
45/6 = 45 × 7/6 × 7 = 315/42 - Subtract the two like fractions:
27/42 - 315/42 = 27 - 315/42 = -288/42 - After reducing the fraction, the answer is -48/7
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