Add 12/18 and 16/5
1st number: 12/18, 2nd number: 3 1/5
12/18 + 16/5 is 58/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
12/18 = 12 × 5/18 × 5 = 60/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
16/5 = 16 × 18/5 × 18 = 288/90 - Add the two like fractions:
60/90 + 288/90 = 60 + 288/90 = 348/90 - 348/90 simplified gives 58/15
- So, 12/18 + 16/5 = 58/15
In mixed form: 313/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/18+16/5 12/18+32/5 12/36+16/5 12/18+16/10 36/18+16/5 12/18+48/5 12/54+16/5 12/18+16/15 60/18+16/5 12/18+80/5 12/90+16/5 12/18+16/25 84/18+16/5 12/18+16/35