Subtract 54/90 from 27/75
27/75 - 54/90 is -6/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 75 × 6 = 450,
27/75 = 27 × 6/75 × 6 = 162/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
54/90 = 54 × 5/90 × 5 = 270/450 - Subtract the two like fractions:
162/450 - 270/450 = 162 - 270/450 = -108/450 - After reducing the fraction, the answer is -6/25
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