Subtract 35/7 from 6/90
1st number: 6/90, 2nd number: 5 0/7
6/90 - 35/7 is -74/15.
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,
6/90 = 6 × 7/90 × 7 = 42/630 - Likewise, for the 2nd fraction, since 7 × 90 = 630,
35/7 = 35 × 90/7 × 90 = 3150/630 - Subtract the two like fractions:
42/630 - 3150/630 = 42 - 3150/630 = -3108/630 - After reducing the fraction, the answer is -74/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/90-35/7 6/90-70/7 6/90-35/14 18/90-35/7 6/90-35/21 30/90-35/7 42/90-35/7 6/90-35/49