Subtract 10/48 from 20/18
1st number: 1 2/18, 2nd number: 10/48
20/18 - 10/48 is 65/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 48 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 18 × 8 = 144,
20/18 = 20 × 8/18 × 8 = 160/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
10/48 = 10 × 3/48 × 3 = 30/144 - Subtract the two like fractions:
160/144 - 30/144 = 160 - 30/144 = 130/144 - After reducing the fraction, the answer is 65/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/18-10/48 20/18-20/48 20/36-10/48 20/18-10/96 60/18-10/48 20/18-30/48 20/54-10/48 20/18-50/48 20/90-10/48 20/18-70/48