Subtract 42/30 from 2/27
1st number: 2/27, 2nd number: 1 12/30
2/27 - 42/30 is -179/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 30 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
2/27 = 2 × 10/27 × 10 = 20/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
42/30 = 42 × 9/30 × 9 = 378/270 - Subtract the two like fractions:
20/270 - 378/270 = 20 - 378/270 = -358/270 - After reducing the fraction, the answer is -179/135
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