Subtract 5/6 from 84/90
84/90 - 5/6 is 1/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 6 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
84/90 = 84 × 1/90 × 1 = 84/90 - Likewise, for the 2nd fraction, since 6 × 15 = 90,
5/6 = 5 × 15/6 × 15 = 75/90 - Subtract the two like fractions:
84/90 - 75/90 = 84 - 75/90 = 9/90 - After reducing the fraction, the answer is 1/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/90-10/6 84/90-5/12 84/90-15/6 84/90-5/18 84/90-25/6 84/90-5/30 84/90-35/6 84/90-5/42