Subtract 7/9 from 30/3
1st number: 10 0/3, 2nd number: 7/9
303 - 79 is 839.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 9 is 9
Next, find the equivalent fraction of both fractional numbers with denominator 9 - For the 1st fraction, since 3 × 3 = 9,
303 = 30 × 33 × 3 = 909 - Likewise, for the 2nd fraction, since 9 × 1 = 9,
79 = 7 × 19 × 1 = 79 - Subtract the two like fractions:
909 - 79 = 90 - 79 = 839 - In mixed form: 929
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/3-7/9 30/3-14/9 30/6-7/9 30/3-7/18 90/3-7/9 30/3-21/9 30/9-7/9 30/3-7/27 30/3-35/9 30/15-7/9 30/3-7/45 30/3-49/9 30/21-7/9 30/3-7/63