Add 84/10 and 15/18
1st number: 8 4/10, 2nd number: 15/18
84/10 + 15/18 is 277/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
84/10 = 84 × 9/10 × 9 = 756/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
15/18 = 15 × 5/18 × 5 = 75/90 - Add the two like fractions:
756/90 + 75/90 = 756 + 75/90 = 831/90 - 831/90 simplified gives 277/30
- So, 84/10 + 15/18 = 277/30
In mixed form: 97/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10+30/18 84/20+15/18 84/10+15/36 84/10+45/18 84/30+15/18 84/10+15/54 84/10+75/18 84/50+15/18 84/10+15/90 84/70+15/18