Subtract 72/42 from 15/14
1st number: 1 1/14, 2nd number: 1 30/42
15/14 - 72/42 is -9/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
15/14 = 15 × 3/14 × 3 = 45/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
72/42 = 72 × 1/42 × 1 = 72/42 - Subtract the two like fractions:
45/42 - 72/42 = 45 - 72/42 = -27/42 - After reducing the fraction, the answer is -9/14
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