Subtract 70/9 from 45/5
1st number: 9 0/5, 2nd number: 7 7/9
45/5 - 70/9 is 11/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
45/5 = 45 × 9/5 × 9 = 405/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
70/9 = 70 × 5/9 × 5 = 350/45 - Subtract the two like fractions:
405/45 - 350/45 = 405 - 350/45 = 55/45 - After reducing the fraction, the answer is 11/9
- In mixed form: 12/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/5-70/9 45/10-70/9 45/5-70/18 45/15-70/9 45/5-70/27 45/25-70/9 45/5-70/45 45/35-70/9 45/5-70/63