Subtract 70/3 from 28/56
1st number: 28/56, 2nd number: 23 1/3
28/56 - 70/3 is -137/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 3 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 56 × 3 = 168,
28/56 = 28 × 3/56 × 3 = 84/168 - Likewise, for the 2nd fraction, since 3 × 56 = 168,
70/3 = 70 × 56/3 × 56 = 3920/168 - Subtract the two like fractions:
84/168 - 3920/168 = 84 - 3920/168 = -3836/168 - After reducing the fraction, the answer is -137/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/56-70/6 84/56-70/3 28/56-70/9 28/56-70/15 28/56-70/21