Subtract 8/90 from 80/10
1st number: 8 0/10, 2nd number: 8/90
80/10 - 8/90 is 356/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
80/10 = 80 × 9/10 × 9 = 720/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
8/90 = 8 × 1/90 × 1 = 8/90 - Subtract the two like fractions:
720/90 - 8/90 = 720 - 8/90 = 712/90 - After reducing the fraction, the answer is 356/45
- In mixed form: 741/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/10-16/90 80/20-8/90 80/10-24/90 80/30-8/90 80/10-40/90 80/50-8/90 80/10-56/90 80/70-8/90