Subtract 8/90 from 75/10
1st number: 7 5/10, 2nd number: 8/90
75/10 - 8/90 is 667/90.
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,
75/10 = 75 × 9/10 × 9 = 675/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
8/90 = 8 × 1/90 × 1 = 8/90 - Subtract the two like fractions:
675/90 - 8/90 = 675 - 8/90 = 667/90 - In mixed form: 737/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/10-16/90 75/20-8/90 75/10-24/90 75/30-8/90 75/10-40/90 75/50-8/90 75/10-56/90 75/70-8/90