Subtract 50/54 from 90/18
1st number: 5 0/18, 2nd number: 50/54
90/18 - 50/54 is 110/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 18 × 3 = 54,
90/18 = 90 × 3/18 × 3 = 270/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
50/54 = 50 × 1/54 × 1 = 50/54 - Subtract the two like fractions:
270/54 - 50/54 = 270 - 50/54 = 220/54 - After reducing the fraction, the answer is 110/27
- In mixed form: 42/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/36-50/54 90/54-50/54