Subtract 8/80 from 35/90
35/90 - 8/80 is 13/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 90 × 8 = 720,
35/90 = 35 × 8/90 × 8 = 280/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
8/80 = 8 × 9/80 × 9 = 72/720 - Subtract the two like fractions:
280/720 - 72/720 = 280 - 72/720 = 208/720 - After reducing the fraction, the answer is 13/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/90-8/80 35/90-16/80 35/90-24/80 35/90-40/80 35/90-56/80