Subtract 50/70 from 10/9
1st number: 1 1/9, 2nd number: 50/70
10/9 - 50/70 is 25/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 9 × 70 = 630,
10/9 = 10 × 70/9 × 70 = 700/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
50/70 = 50 × 9/70 × 9 = 450/630 - Subtract the two like fractions:
700/630 - 450/630 = 700 - 450/630 = 250/630 - After reducing the fraction, the answer is 25/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/9-50/70 10/18-50/70 30/9-50/70 10/27-50/70 50/9-50/70 10/45-50/70 70/9-50/70 10/63-50/70