Subtract 96/54 from 90/20
1st number: 4 10/20, 2nd number: 1 42/54
90/20 - 96/54 is 49/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 54 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
90/20 = 90 × 27/20 × 27 = 2430/540 - Likewise, for the 2nd fraction, since 54 × 10 = 540,
96/54 = 96 × 10/54 × 10 = 960/540 - Subtract the two like fractions:
2430/540 - 960/540 = 2430 - 960/540 = 1470/540 - After reducing the fraction, the answer is 49/18
- In mixed form: 213/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/40-96/54 90/60-96/54