Subtract 10/90 from 90/2
1st number: 45 0/2, 2nd number: 10/90
90/2 - 10/90 is 404/9.
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,
90/2 = 90 × 45/2 × 45 = 4050/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
10/90 = 10 × 1/90 × 1 = 10/90 - Subtract the two like fractions:
4050/90 - 10/90 = 4050 - 10/90 = 4040/90 - After reducing the fraction, the answer is 404/9
- In mixed form: 448/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/2-20/90 90/4-10/90 90/2-30/90 90/6-10/90 90/2-50/90 90/10-10/90 90/2-70/90 90/14-10/90