Subtract 5/72 from 90/54
1st number: 1 36/54, 2nd number: 5/72
90/54 - 5/72 is 115/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 72 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 54 × 4 = 216,
90/54 = 90 × 4/54 × 4 = 360/216 - Likewise, for the 2nd fraction, since 72 × 3 = 216,
5/72 = 5 × 3/72 × 3 = 15/216 - Subtract the two like fractions:
360/216 - 15/216 = 360 - 15/216 = 345/216 - After reducing the fraction, the answer is 115/72
- In mixed form: 143/72
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