Subtract 3/90 from 90/10
1st number: 9 0/10, 2nd number: 3/90
90/10 - 3/90 is 269/30.
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,
90/10 = 90 × 9/10 × 9 = 810/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
3/90 = 3 × 1/90 × 1 = 3/90 - Subtract the two like fractions:
810/90 - 3/90 = 810 - 3/90 = 807/90 - After reducing the fraction, the answer is 269/30
- In mixed form: 829/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10-6/90 90/20-3/90 90/10-9/90 90/30-3/90 90/10-15/90 90/50-3/90 90/10-21/90 90/70-3/90