Subtract 15/54 from 90/14
1st number: 6 6/14, 2nd number: 15/54
90/14 - 15/54 is 775/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 14 × 27 = 378,
90/14 = 90 × 27/14 × 27 = 2430/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
15/54 = 15 × 7/54 × 7 = 105/378 - Subtract the two like fractions:
2430/378 - 105/378 = 2430 - 105/378 = 2325/378 - After reducing the fraction, the answer is 775/126
- In mixed form: 619/126
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