Subtract 28/48 from 70/18
1st number: 3 16/18, 2nd number: 28/48
70/18 - 28/48 is 119/36.
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,
70/18 = 70 × 8/18 × 8 = 560/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
28/48 = 28 × 3/48 × 3 = 84/144 - Subtract the two like fractions:
560/144 - 84/144 = 560 - 84/144 = 476/144 - After reducing the fraction, the answer is 119/36
- In mixed form: 311/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/18-56/48 70/36-28/48 70/18-28/96 70/18-84/48 70/54-28/48 70/90-28/48