Subtract 2/9 from 8/70
8/70 - 2/9 is -34/315.
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,
2/9 = 2 × 70/9 × 70 = 140/630 - Subtract the two like fractions:
72/630 - 140/630 = 72 - 140/630 = -68/630 - After reducing the fraction, the answer is -34/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/70-2/9 8/70-4/9 8/70-2/18 24/70-2/9 8/70-6/9 8/70-2/27 40/70-2/9 8/70-10/9 8/70-2/45 56/70-2/9 8/70-14/9 8/70-2/63