Subtract 84/32 from 84/18
1st number: 4 12/18, 2nd number: 2 20/32
84/18 - 84/32 is 49/24.
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,
84/32 = 84 × 9/32 × 9 = 756/288 - Subtract the two like fractions:
1344/288 - 756/288 = 1344 - 756/288 = 588/288 - After reducing the fraction, the answer is 49/24
- In mixed form: 21/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/36-84/32 84/18-84/64 84/54-84/32 84/18-84/96 84/90-84/32