Add 8/10 and 15/18
8/10 + 15/18 is 49/30.
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,
8/10 = 8 × 9/10 × 9 = 72/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
15/18 = 15 × 5/18 × 5 = 75/90 - Add the two like fractions:
72/90 + 75/90 = 72 + 75/90 = 147/90 - 147/90 simplified gives 49/30
- So, 8/10 + 15/18 = 49/30
In mixed form: 119/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/10+15/18 8/10+30/18 8/20+15/18 8/10+15/36 24/10+15/18 8/10+45/18 8/30+15/18 8/10+15/54 40/10+15/18 8/10+75/18 8/50+15/18 8/10+15/90 56/10+15/18 8/70+15/18