Subtract 5/3 from 84/90
1st number: 84/90, 2nd number: 1 2/3
84/90 - 5/3 is -11/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 3 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 3 × 30 = 90,
5/3 = 5 × 30/3 × 30 = 150/90 - Subtract the two like fractions:
84/90 - 150/90 = 84 - 150/90 = -66/90 - After reducing the fraction, the answer is -11/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/90-10/3 84/90-5/6 84/90-15/3 84/90-5/9 84/90-25/3 84/90-5/15 84/90-35/3 84/90-5/21