Subtract 75/54 from 30/72
1st number: 30/72, 2nd number: 1 21/54
30/72 - 75/54 is -35/36.
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,
30/72 = 30 × 3/72 × 3 = 90/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
75/54 = 75 × 4/54 × 4 = 300/216 - Subtract the two like fractions:
90/216 - 300/216 = 90 - 300/216 = -210/216 - After reducing the fraction, the answer is -35/36
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