Subtract 84/9 from 90/16
1st number: 5 10/16, 2nd number: 9 3/9
90/16 - 84/9 is -89/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 9 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 9 × 16 = 144,
84/9 = 84 × 16/9 × 16 = 1344/144 - Subtract the two like fractions:
810/144 - 1344/144 = 810 - 1344/144 = -534/144 - After reducing the fraction, the answer is -89/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/32-84/9 90/16-84/18 90/48-84/9 90/16-84/27 90/80-84/9 90/16-84/45 90/16-84/63