Subtract 50/54 from 50/72
50/72 - 50/54 is -25/108.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 54 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 72 × 3 = 216,
50/72 = 50 × 3/72 × 3 = 150/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
50/54 = 50 × 4/54 × 4 = 200/216 - Subtract the two like fractions:
150/216 - 200/216 = 150 - 200/216 = -50/216 - After reducing the fraction, the answer is -25/108
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