Add 15/10 and 84/18
1st number: 1 5/10, 2nd number: 4 12/18
15/10 + 84/18 is 37/6.
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,
15/10 = 15 × 9/10 × 9 = 135/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
84/18 = 84 × 5/18 × 5 = 420/90 - Add the two like fractions:
135/90 + 420/90 = 135 + 420/90 = 555/90 - 555/90 simplified gives 37/6
- So, 15/10 + 84/18 = 37/6
In mixed form: 61/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/10+84/18 15/20+84/18 15/10+84/36 45/10+84/18 15/30+84/18 15/10+84/54 75/10+84/18 15/50+84/18 15/10+84/90 15/70+84/18