Add 3/18 and 84/10
1st number: 3/18, 2nd number: 8 4/10
3/18 + 84/10 is 257/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
3/18 = 3 × 5/18 × 5 = 15/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
84/10 = 84 × 9/10 × 9 = 756/90 - Add the two like fractions:
15/90 + 756/90 = 15 + 756/90 = 771/90 - 771/90 simplified gives 257/30
- So, 3/18 + 84/10 = 257/30
In mixed form: 817/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/18+84/10 3/36+84/10 3/18+84/20 9/18+84/10 3/54+84/10 3/18+84/30 15/18+84/10 3/90+84/10 3/18+84/50 21/18+84/10 3/18+84/70