Subtract 35/10 from 20/90
1st number: 20/90, 2nd number: 3 5/10
20/90 - 35/10 is -59/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
20/90 = 20 × 1/90 × 1 = 20/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
35/10 = 35 × 9/10 × 9 = 315/90 - Subtract the two like fractions:
20/90 - 315/90 = 20 - 315/90 = -295/90 - After reducing the fraction, the answer is -59/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/90-35/10 20/90-70/10 20/90-35/20 60/90-35/10 20/90-35/30 20/90-35/50 20/90-35/70