Subtract 7/30 from 28/3
1st number: 9 1/3, 2nd number: 7/30
28/3 - 7/30 is 91/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 3 × 10 = 30,
28/3 = 28 × 10/3 × 10 = 280/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
7/30 = 7 × 1/30 × 1 = 7/30 - Subtract the two like fractions:
280/30 - 7/30 = 280 - 7/30 = 273/30 - After reducing the fraction, the answer is 91/10
- In mixed form: 91/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/3-7/30 28/3-14/30 28/6-7/30 28/3-7/60 84/3-7/30 28/3-21/30 28/9-7/30 28/3-7/90 28/3-35/30 28/15-7/30 28/3-49/30 28/21-7/30