Subtract 25/9 from 8/30
1st number: 8/30, 2nd number: 2 7/9
8/30 - 25/9 is -113/45.
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,
8/30 = 8 × 3/30 × 3 = 24/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
25/9 = 25 × 10/9 × 10 = 250/90 - Subtract the two like fractions:
24/90 - 250/90 = 24 - 250/90 = -226/90 - After reducing the fraction, the answer is -113/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/30-25/9 8/30-50/9 8/60-25/9 8/30-25/18 24/30-25/9 8/30-75/9 8/90-25/9 8/30-25/27 40/30-25/9 8/30-25/45 56/30-25/9 8/30-25/63