Subtract 10/9 from 8/70
1st number: 8/70, 2nd number: 1 1/9
8/70 - 10/9 is -314/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 9 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
8/70 = 8 × 9/70 × 9 = 72/630 - Likewise, for the 2nd fraction, since 9 × 70 = 630,
10/9 = 10 × 70/9 × 70 = 700/630 - Subtract the two like fractions:
72/630 - 700/630 = 72 - 700/630 = -628/630 - After reducing the fraction, the answer is -314/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/70-10/9 8/70-20/9 8/70-10/18 24/70-10/9 8/70-30/9 8/70-10/27 40/70-10/9 8/70-50/9 8/70-10/45 56/70-10/9 8/70-70/9 8/70-10/63