Subtract 10/45 from 90/4
1st number: 22 2/4, 2nd number: 10/45
90/4 - 10/45 is 401/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
90/4 = 90 × 45/4 × 45 = 4050/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
10/45 = 10 × 4/45 × 4 = 40/180 - Subtract the two like fractions:
4050/180 - 40/180 = 4050 - 40/180 = 4010/180 - After reducing the fraction, the answer is 401/18
- In mixed form: 225/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/4-20/45 90/8-10/45 90/4-10/90 90/4-30/45 90/12-10/45 90/4-50/45 90/20-10/45 90/4-70/45 90/28-10/45