Add 84/15 and 9/10
1st number: 5 9/15, 2nd number: 9/10
84/15 + 9/10 is 13/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
84/15 = 84 × 2/15 × 2 = 168/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
9/10 = 9 × 3/10 × 3 = 27/30 - Add the two like fractions:
168/30 + 27/30 = 168 + 27/30 = 195/30 - 195/30 simplified gives 13/2
- So, 84/15 + 9/10 = 13/2
In mixed form: 61/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/15+18/10 84/30+9/10 84/15+9/20 84/15+27/10 84/45+9/10 84/15+9/30 84/15+45/10 84/75+9/10 84/15+9/50 84/15+63/10 84/15+9/70