Subtract 70/18 from 10/9
1st number: 1 1/9, 2nd number: 3 16/18
10/9 - 70/18 is -25/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 18 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 9 × 2 = 18,
10/9 = 10 × 2/9 × 2 = 20/18 - Likewise, for the 2nd fraction, since 18 × 1 = 18,
70/18 = 70 × 1/18 × 1 = 70/18 - Subtract the two like fractions:
20/18 - 70/18 = 20 - 70/18 = -50/18 - After reducing the fraction, the answer is -25/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/9-70/18 10/18-70/18 10/9-70/36 30/9-70/18 10/27-70/18 10/9-70/54 50/9-70/18 10/45-70/18 10/9-70/90 70/9-70/18 10/63-70/18