Subtract 84/90 from 10/5
1st number: 2 0/5, 2nd number: 84/90
10/5 - 84/90 is 16/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
10/5 = 10 × 18/5 × 18 = 180/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
84/90 = 84 × 1/90 × 1 = 84/90 - Subtract the two like fractions:
180/90 - 84/90 = 180 - 84/90 = 96/90 - After reducing the fraction, the answer is 16/15
- In mixed form: 11/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/5-84/90 30/5-84/90 10/15-84/90 50/5-84/90 10/25-84/90 70/5-84/90 10/35-84/90