Subtract 3/18 from 90/16
1st number: 5 10/16, 2nd number: 3/18
90/16 - 3/18 is 131/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 18 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
90/16 = 90 × 9/16 × 9 = 810/144 - Likewise, for the 2nd fraction, since 18 × 8 = 144,
3/18 = 3 × 8/18 × 8 = 24/144 - Subtract the two like fractions:
810/144 - 24/144 = 810 - 24/144 = 786/144 - After reducing the fraction, the answer is 131/24
- In mixed form: 511/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/16-6/18 90/32-3/18 90/16-3/36 90/16-9/18 90/48-3/18 90/16-3/54 90/16-15/18 90/80-3/18 90/16-3/90 90/16-21/18