Subtract 84/9 from 10/90
1st number: 10/90, 2nd number: 9 3/9
10/90 - 84/9 is -83/9.
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,
10/90 = 10 × 1/90 × 1 = 10/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
84/9 = 84 × 10/9 × 10 = 840/90 - Subtract the two like fractions:
10/90 - 840/90 = 10 - 840/90 = -830/90 - After reducing the fraction, the answer is -83/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/90-84/9 10/90-84/18 30/90-84/9 10/90-84/27 50/90-84/9 10/90-84/45 70/90-84/9 10/90-84/63