Subtract 7/36 from 27/20
1st number: 1 7/20, 2nd number: 7/36
27/20 - 7/36 is 52/45.
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,
27/20 = 27 × 9/20 × 9 = 243/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
7/36 = 7 × 5/36 × 5 = 35/180 - Subtract the two like fractions:
243/180 - 35/180 = 243 - 35/180 = 208/180 - After reducing the fraction, the answer is 52/45
- In mixed form: 17/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/20-7/36 27/20-14/36 27/40-7/36 27/20-7/72 81/20-7/36 27/20-21/36 27/60-7/36 27/20-35/36 27/20-49/36