Subtract 42/15 from 2/27
1st number: 2/27, 2nd number: 2 12/15
2/27 - 42/15 is -368/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 15 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
2/27 = 2 × 5/27 × 5 = 10/135 - Likewise, for the 2nd fraction, since 15 × 9 = 135,
42/15 = 42 × 9/15 × 9 = 378/135 - Subtract the two like fractions:
10/135 - 378/135 = 10 - 378/135 = -368/135
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