Subtract 7/10 from 10/9
1st number: 1 1/9, 2nd number: 7/10
109 - 710 is 3790.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
109 = 10 × 109 × 10 = 10090 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
710 = 7 × 910 × 9 = 6390 - Subtract the two like fractions:
10090 - 6390 = 100 - 6390 = 3790
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/9-7/10 10/9-14/10 10/18-7/10 10/9-7/20 30/9-7/10 10/9-21/10 10/27-7/10 10/9-7/30 50/9-7/10 10/9-35/10 10/45-7/10 10/9-7/50 70/9-7/10 10/9-49/10 10/63-7/10 10/9-7/70