Subtract 20/90 from 25/3
1st number: 8 1/3, 2nd number: 20/90
25/3 - 20/90 is 73/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 3 × 30 = 90,
25/3 = 25 × 30/3 × 30 = 750/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
20/90 = 20 × 1/90 × 1 = 20/90 - Subtract the two like fractions:
750/90 - 20/90 = 750 - 20/90 = 730/90 - After reducing the fraction, the answer is 73/9
- In mixed form: 81/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/3-20/90 25/3-40/90 25/6-20/90 75/3-20/90 25/3-60/90 25/9-20/90 25/15-20/90 25/21-20/90