Subtract 42/9 from 90/32
1st number: 2 26/32, 2nd number: 4 6/9
90/32 - 42/9 is -89/48.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 9 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 32 × 9 = 288,
90/32 = 90 × 9/32 × 9 = 810/288 - Likewise, for the 2nd fraction, since 9 × 32 = 288,
42/9 = 42 × 32/9 × 32 = 1344/288 - Subtract the two like fractions:
810/288 - 1344/288 = 810 - 1344/288 = -534/288 - After reducing the fraction, the answer is -89/48
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 90/64-42/9 90/32-42/18 90/96-42/9 90/32-42/27 90/32-42/45 90/32-42/63