Subtract 28/15 from 45/2
1st number: 22 1/2, 2nd number: 1 13/15
45/2 - 28/15 is 619/30.
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,
45/2 = 45 × 15/2 × 15 = 675/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
28/15 = 28 × 2/15 × 2 = 56/30 - Subtract the two like fractions:
675/30 - 56/30 = 675 - 56/30 = 619/30 - In mixed form: 2019/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/2-28/15 45/2-56/15 45/4-28/15 45/2-28/30 45/2-84/15 45/6-28/15 45/2-28/45 45/10-28/15 45/2-28/75 45/14-28/15