Subtract 70/9 from 10/45
1st number: 10/45, 2nd number: 7 7/9
10/45 - 70/9 is -68/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
10/45 = 10 × 1/45 × 1 = 10/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
70/9 = 70 × 5/9 × 5 = 350/45 - Subtract the two like fractions:
10/45 - 350/45 = 10 - 350/45 = -340/45 - After reducing the fraction, the answer is -68/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/45-70/9 10/90-70/9 10/45-70/18 30/45-70/9 10/45-70/27 50/45-70/9 10/45-70/45 70/45-70/9 10/45-70/63