Subtract 40/9 from 2/90
1st number: 2/90, 2nd number: 4 4/9
2/90 - 40/9 is -199/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
2/90 = 2 × 1/90 × 1 = 2/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
40/9 = 40 × 10/9 × 10 = 400/90 - Subtract the two like fractions:
2/90 - 400/90 = 2 - 400/90 = -398/90 - After reducing the fraction, the answer is -199/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/90-40/9 2/90-80/9 2/90-40/18 6/90-40/9 2/90-40/27 10/90-40/9 2/90-40/45 14/90-40/9 2/90-40/63