Subtract 27/30 from 20/25
20/25 - 27/30 is -1/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 30 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 25 × 6 = 150,
20/25 = 20 × 6/25 × 6 = 120/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
27/30 = 27 × 5/30 × 5 = 135/150 - Subtract the two like fractions:
120/150 - 135/150 = 120 - 135/150 = -15/150 - After reducing the fraction, the answer is -1/10
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