Subtract 75/54 from 12/15
1st number: 12/15, 2nd number: 1 21/54
12/15 - 75/54 is -53/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 15 × 18 = 270,
12/15 = 12 × 18/15 × 18 = 216/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
75/54 = 75 × 5/54 × 5 = 375/270 - Subtract the two like fractions:
216/270 - 375/270 = 216 - 375/270 = -159/270 - After reducing the fraction, the answer is -53/90
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