Subtract 12/15 from 75/90
75/90 - 12/15 is 1/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 15 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
75/90 = 75 × 1/90 × 1 = 75/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
12/15 = 12 × 6/15 × 6 = 72/90 - Subtract the two like fractions:
75/90 - 72/90 = 75 - 72/90 = 3/90 - After reducing the fraction, the answer is 1/30
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