Subtract 35/7 from 8/90
1st number: 8/90, 2nd number: 5 0/7
8/90 - 35/7 is -221/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 7 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
8/90 = 8 × 7/90 × 7 = 56/630 - Likewise, for the 2nd fraction, since 7 × 90 = 630,
35/7 = 35 × 90/7 × 90 = 3150/630 - Subtract the two like fractions:
56/630 - 3150/630 = 56 - 3150/630 = -3094/630 - After reducing the fraction, the answer is -221/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/90-35/7 8/90-70/7 8/90-35/14 24/90-35/7 8/90-35/21 40/90-35/7 56/90-35/7 8/90-35/49