Subtract 42/30 from 25/27
1st number: 25/27, 2nd number: 1 12/30
25/27 - 42/30 is -64/135.
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,
25/27 = 25 × 10/27 × 10 = 250/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
42/30 = 42 × 9/30 × 9 = 378/270 - Subtract the two like fractions:
250/270 - 378/270 = 250 - 378/270 = -128/270 - After reducing the fraction, the answer is -64/135
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