Subtract 3/90 from 84/3
1st number: 28 0/3, 2nd number: 3/90
84/3 - 3/90 is 839/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 3 × 30 = 90,
84/3 = 84 × 30/3 × 30 = 2520/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
3/90 = 3 × 1/90 × 1 = 3/90 - Subtract the two like fractions:
2520/90 - 3/90 = 2520 - 3/90 = 2517/90 - After reducing the fraction, the answer is 839/30
- In mixed form: 2729/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/3-6/90 84/6-3/90 84/3-9/90 84/9-3/90 84/3-15/90 84/15-3/90 84/3-21/90 84/21-3/90