Subtract 49/36 from 90/20
1st number: 4 10/20, 2nd number: 1 13/36
90/20 - 49/36 is 113/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
90/20 = 90 × 9/20 × 9 = 810/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
49/36 = 49 × 5/36 × 5 = 245/180 - Subtract the two like fractions:
810/180 - 245/180 = 810 - 245/180 = 565/180 - After reducing the fraction, the answer is 113/36
- In mixed form: 35/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/20-98/36 90/40-49/36 90/20-49/72 90/60-49/36