Subtract 4/96 from 20/18
1st number: 1 2/18, 2nd number: 4/96
20/18 - 4/96 is 77/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 96 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 18 × 16 = 288,
20/18 = 20 × 16/18 × 16 = 320/288 - Likewise, for the 2nd fraction, since 96 × 3 = 288,
4/96 = 4 × 3/96 × 3 = 12/288 - Subtract the two like fractions:
320/288 - 12/288 = 320 - 12/288 = 308/288 - After reducing the fraction, the answer is 77/72
- In mixed form: 15/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/18-4/96 20/18-8/96 20/36-4/96 60/18-4/96 20/18-12/96 20/54-4/96 20/18-20/96 20/90-4/96 20/18-28/96