Subtract 7/9 from 2/30
2/30 - 7/9 is -32/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
2/30 = 2 × 3/30 × 3 = 6/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
7/9 = 7 × 10/9 × 10 = 70/90 - Subtract the two like fractions:
6/90 - 70/90 = 6 - 70/90 = -64/90 - After reducing the fraction, the answer is -32/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/30-7/9 2/30-14/9 2/60-7/9 2/30-7/18 6/30-7/9 2/30-21/9 2/90-7/9 2/30-7/27 10/30-7/9 2/30-35/9 2/30-7/45 14/30-7/9 2/30-49/9 2/30-7/63