Subtract 40/90 from 10/2
1st number: 5 0/2, 2nd number: 40/90
10/2 - 40/90 is 41/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
10/2 = 10 × 45/2 × 45 = 450/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
40/90 = 40 × 1/90 × 1 = 40/90 - Subtract the two like fractions:
450/90 - 40/90 = 450 - 40/90 = 410/90 - After reducing the fraction, the answer is 41/9
- In mixed form: 45/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/2-40/90 10/2-80/90 10/4-40/90 30/2-40/90 10/6-40/90 50/2-40/90 70/2-40/90 10/14-40/90