Add 84/90 and 6/10
84/90 + 6/10 is 23/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 10 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 10 × 9 = 90,
6/10 = 6 × 9/10 × 9 = 54/90 - Add the two like fractions:
84/90 + 54/90 = 84 + 54/90 = 138/90 - 138/90 simplified gives 23/15
- So, 84/90 + 6/10 = 23/15
In mixed form: 18/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/90+12/10 84/90+6/20 84/90+18/10 84/90+6/30 84/90+30/10 84/90+6/50 84/90+42/10 84/90+6/70