Subtract 56/9 from 70/30
1st number: 2 10/30, 2nd number: 6 2/9
70/30 - 56/9 is -35/9.
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,
70/30 = 70 × 3/30 × 3 = 210/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
56/9 = 56 × 10/9 × 10 = 560/90 - Subtract the two like fractions:
210/90 - 560/90 = 210 - 560/90 = -350/90 - After reducing the fraction, the answer is -35/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/60-56/9 70/30-56/18 70/90-56/9 70/30-56/27 70/30-56/45 70/30-56/63