Subtract 15/54 from 90/72
1st number: 1 18/72, 2nd number: 15/54
90/72 - 15/54 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,
90/72 = 90 × 3/72 × 3 = 270/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
15/54 = 15 × 4/54 × 4 = 60/216 - Subtract the two like fractions:
270/216 - 60/216 = 270 - 60/216 = 210/216 - After reducing the fraction, the answer is 35/36
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