Subtract 90/20 from 6/35
1st number: 6/35, 2nd number: 4 10/20
6/35 - 90/20 is -303/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 35 × 4 = 140,
6/35 = 6 × 4/35 × 4 = 24/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
90/20 = 90 × 7/20 × 7 = 630/140 - Subtract the two like fractions:
24/140 - 630/140 = 24 - 630/140 = -606/140 - After reducing the fraction, the answer is -303/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/35-90/20 6/70-90/20 6/35-90/40 18/35-90/20 6/35-90/60 30/35-90/20 42/35-90/20