Subtract 84/3 from 6/90
1st number: 6/90, 2nd number: 28 0/3
6/90 - 84/3 is -419/15.
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,
6/90 = 6 × 1/90 × 1 = 6/90 - Likewise, for the 2nd fraction, since 3 × 30 = 90,
84/3 = 84 × 30/3 × 30 = 2520/90 - Subtract the two like fractions:
6/90 - 2520/90 = 6 - 2520/90 = -2514/90 - After reducing the fraction, the answer is -419/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/90-84/3 6/90-84/6 18/90-84/3 6/90-84/9 30/90-84/3 6/90-84/15 42/90-84/3 6/90-84/21