Subtract 28/32 from 84/18
1st number: 4 12/18, 2nd number: 28/32
84/18 - 28/32 is 91/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 32 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 18 × 16 = 288,
84/18 = 84 × 16/18 × 16 = 1344/288 - Likewise, for the 2nd fraction, since 32 × 9 = 288,
28/32 = 28 × 9/32 × 9 = 252/288 - Subtract the two like fractions:
1344/288 - 252/288 = 1344 - 252/288 = 1092/288 - After reducing the fraction, the answer is 91/24
- In mixed form: 319/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/18-56/32 84/36-28/32 84/18-28/64 84/18-84/32 84/54-28/32 84/18-28/96 84/90-28/32