Subtract 25/30 from 54/90
54/90 - 25/30 is -7/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
54/90 = 54 × 1/90 × 1 = 54/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
25/30 = 25 × 3/30 × 3 = 75/90 - Subtract the two like fractions:
54/90 - 75/90 = 54 - 75/90 = -21/90 - After reducing the fraction, the answer is -7/30
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