Subtract 54/75 from 15/30
15/30 - 54/75 is -11/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 75 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 30 × 5 = 150,
15/30 = 15 × 5/30 × 5 = 75/150 - Likewise, for the 2nd fraction, since 75 × 2 = 150,
54/75 = 54 × 2/75 × 2 = 108/150 - Subtract the two like fractions:
75/150 - 108/150 = 75 - 108/150 = -33/150 - After reducing the fraction, the answer is -11/50
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