Subtract 28/15 from 40/2
1st number: 20 0/2, 2nd number: 1 13/15
40/2 - 28/15 is 272/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 2 × 15 = 30,
40/2 = 40 × 15/2 × 15 = 600/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
28/15 = 28 × 2/15 × 2 = 56/30 - Subtract the two like fractions:
600/30 - 56/30 = 600 - 56/30 = 544/30 - After reducing the fraction, the answer is 272/15
- In mixed form: 182/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/2-28/15 40/2-56/15 40/4-28/15 40/2-28/30 40/2-84/15 40/6-28/15 40/2-28/45 40/10-28/15 40/2-28/75 40/14-28/15