Subtract 7/20 from 9/3
1st number: 3 0/3, 2nd number: 7/20
9/3 - 7/20 is 53/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 3 × 20 = 60,
9/3 = 9 × 20/3 × 20 = 180/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
7/20 = 7 × 3/20 × 3 = 21/60 - Subtract the two like fractions:
180/60 - 21/60 = 180 - 21/60 = 159/60 - After reducing the fraction, the answer is 53/20
- In mixed form: 213/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/3-7/20 9/3-14/20 9/6-7/20 9/3-7/40 27/3-7/20 9/3-21/20 9/3-7/60 45/3-7/20 9/3-35/20 9/15-7/20 63/3-7/20 9/3-49/20 9/21-7/20