Subtract 42/27 from 3/15
1st number: 3/15, 2nd number: 1 15/27
3/15 - 42/27 is -61/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 15 × 9 = 135,
3/15 = 3 × 9/15 × 9 = 27/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
42/27 = 42 × 5/27 × 5 = 210/135 - Subtract the two like fractions:
27/135 - 210/135 = 27 - 210/135 = -183/135 - After reducing the fraction, the answer is -61/45
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