Subtract 10/54 from 90/14
1st number: 6 6/14, 2nd number: 10/54
90/14 - 10/54 is 1180/189.
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,
10/54 = 10 × 7/54 × 7 = 70/378 - Subtract the two like fractions:
2430/378 - 70/378 = 2430 - 70/378 = 2360/378 - After reducing the fraction, the answer is 1180/189
- In mixed form: 646/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/14-20/54 90/28-10/54 90/14-30/54 90/42-10/54 90/14-50/54 90/70-10/54 90/14-70/54 90/98-10/54