Subtract 15/18 from 49/20
1st number: 2 9/20, 2nd number: 15/18
49/20 - 15/18 is 97/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
49/20 = 49 × 9/20 × 9 = 441/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
15/18 = 15 × 10/18 × 10 = 150/180 - Subtract the two like fractions:
441/180 - 150/180 = 441 - 150/180 = 291/180 - After reducing the fraction, the answer is 97/60
- In mixed form: 137/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/20-15/18 49/20-30/18 49/40-15/18 49/20-15/36 49/20-45/18 49/60-15/18 49/20-15/54 49/20-75/18 49/20-15/90