Subtract 7/20 from 36/75
36/75 - 7/20 is 13/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 20 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
36/75 = 36 × 4/75 × 4 = 144/300 - Likewise, for the 2nd fraction, since 20 × 15 = 300,
7/20 = 7 × 15/20 × 15 = 105/300 - Subtract the two like fractions:
144/300 - 105/300 = 144 - 105/300 = 39/300 - After reducing the fraction, the answer is 13/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/75-7/20 36/75-14/20 36/75-7/40 36/75-21/20 36/75-7/60 36/75-35/20 36/75-49/20