Subtract 70/9 from 8/45
1st number: 8/45, 2nd number: 7 7/9
8/45 - 70/9 is -38/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
8/45 = 8 × 1/45 × 1 = 8/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
70/9 = 70 × 5/9 × 5 = 350/45 - Subtract the two like fractions:
8/45 - 350/45 = 8 - 350/45 = -342/45 - After reducing the fraction, the answer is -38/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/45-70/9 8/90-70/9 8/45-70/18 24/45-70/9 8/45-70/27 40/45-70/9 8/45-70/45 56/45-70/9 8/45-70/63