Subtract 6/90 from 84/28
1st number: 3 0/28, 2nd number: 6/90
84/28 - 6/90 is 44/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 90 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
84/28 = 84 × 45/28 × 45 = 3780/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
6/90 = 6 × 14/90 × 14 = 84/1260 - Subtract the two like fractions:
3780/1260 - 84/1260 = 3780 - 84/1260 = 3696/1260 - After reducing the fraction, the answer is 44/15
- In mixed form: 214/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/28-12/90 84/56-6/90 84/28-18/90 84/28-30/90 84/28-42/90