Add 84/5 and 12/18
1st number: 16 4/5, 2nd number: 12/18
84/5 + 12/18 is 262/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
84/5 = 84 × 18/5 × 18 = 1512/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
12/18 = 12 × 5/18 × 5 = 60/90 - Add the two like fractions:
1512/90 + 60/90 = 1512 + 60/90 = 1572/90 - 1572/90 simplified gives 262/15
- So, 84/5 + 12/18 = 262/15
In mixed form: 177/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/5+24/18 84/10+12/18 84/5+12/36 84/5+36/18 84/15+12/18 84/5+12/54 84/5+60/18 84/25+12/18 84/5+12/90 84/5+84/18 84/35+12/18