Subtract 36/7 from 20/25
1st number: 20/25, 2nd number: 5 1/7
20/25 - 36/7 is -152/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 7 is 175
Next, find the equivalent fraction of both fractional numbers with denominator 175 - For the 1st fraction, since 25 × 7 = 175,
20/25 = 20 × 7/25 × 7 = 140/175 - Likewise, for the 2nd fraction, since 7 × 25 = 175,
36/7 = 36 × 25/7 × 25 = 900/175 - Subtract the two like fractions:
140/175 - 900/175 = 140 - 900/175 = -760/175 - After reducing the fraction, the answer is -152/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/25-36/7 20/25-72/7 20/50-36/7 20/25-36/14 60/25-36/7 20/75-36/7 20/25-36/21 20/25-36/35 20/25-36/49