Subtract 1/54 from 90/8
1st number: 11 2/8, 2nd number: 1/54
90/8 - 1/54 is 1213/108.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 54 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 8 × 27 = 216,
90/8 = 90 × 27/8 × 27 = 2430/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
1/54 = 1 × 4/54 × 4 = 4/216 - Subtract the two like fractions:
2430/216 - 4/216 = 2430 - 4/216 = 2426/216 - After reducing the fraction, the answer is 1213/108
- In mixed form: 1125/108
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