Subtract 49/20 from 15/2
1st number: 7 1/2, 2nd number: 2 9/20
15/2 - 49/20 is 101/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 2 × 10 = 20,
15/2 = 15 × 10/2 × 10 = 150/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
49/20 = 49 × 1/20 × 1 = 49/20 - Subtract the two like fractions:
150/20 - 49/20 = 150 - 49/20 = 101/20 - In mixed form: 51/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/2-49/20 15/2-98/20 15/4-49/20 15/2-49/40 45/2-49/20 15/6-49/20 15/2-49/60 75/2-49/20 15/10-49/20 15/14-49/20