Subtract 10/90 from 40/9
1st number: 4 4/9, 2nd number: 10/90
40/9 - 10/90 is 13/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
40/9 = 40 × 10/9 × 10 = 400/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
10/90 = 10 × 1/90 × 1 = 10/90 - Subtract the two like fractions:
400/90 - 10/90 = 400 - 10/90 = 390/90 - After reducing the fraction, the answer is 13/3
- In mixed form: 41/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/9-10/90 40/9-20/90 40/18-10/90 40/9-30/90 40/27-10/90 40/9-50/90 40/45-10/90 40/9-70/90 40/63-10/90