Subtract 1/54 from 90/7
1st number: 12 6/7, 2nd number: 1/54
90/7 - 1/54 is 4853/378.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 7 × 54 = 378,
90/7 = 90 × 54/7 × 54 = 4860/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
1/54 = 1 × 7/54 × 7 = 7/378 - Subtract the two like fractions:
4860/378 - 7/378 = 4860 - 7/378 = 4853/378 - In mixed form: 12317/378
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