Subtract 20/75 from 7/3
1st number: 2 1/3, 2nd number: 20/75
7/3 - 20/75 is 31/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 75 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 3 × 25 = 75,
7/3 = 7 × 25/3 × 25 = 175/75 - Likewise, for the 2nd fraction, since 75 × 1 = 75,
20/75 = 20 × 1/75 × 1 = 20/75 - Subtract the two like fractions:
175/75 - 20/75 = 175 - 20/75 = 155/75 - After reducing the fraction, the answer is 31/15
- In mixed form: 21/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/3-20/75 7/3-40/75 7/6-20/75 21/3-20/75 7/3-60/75 7/9-20/75 35/3-20/75 7/15-20/75 49/3-20/75 7/21-20/75