Subtract 25/90 from 10/4
1st number: 2 2/4, 2nd number: 25/90
10/4 - 25/90 is 20/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
10/4 = 10 × 45/4 × 45 = 450/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
25/90 = 25 × 2/90 × 2 = 50/180 - Subtract the two like fractions:
450/180 - 50/180 = 450 - 50/180 = 400/180 - After reducing the fraction, the answer is 20/9
- In mixed form: 22/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/4-25/90 10/4-50/90 10/8-25/90 30/4-25/90 10/4-75/90 10/12-25/90 50/4-25/90 10/20-25/90 70/4-25/90 10/28-25/90