Subtract 84/90 from 8/6
1st number: 1 2/6, 2nd number: 84/90
8/6 - 84/90 is 2/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
8/6 = 8 × 15/6 × 15 = 120/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
84/90 = 84 × 1/90 × 1 = 84/90 - Subtract the two like fractions:
120/90 - 84/90 = 120 - 84/90 = 36/90 - After reducing the fraction, the answer is 2/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/6-84/90 8/12-84/90 24/6-84/90 8/18-84/90 40/6-84/90 8/30-84/90 56/6-84/90 8/42-84/90