Add 15/9 and 12/54
1st number: 1 6/9, 2nd number: 12/54
15/9 + 12/54 is 17/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 9 × 6 = 54,
15/9 = 15 × 6/9 × 6 = 90/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
12/54 = 12 × 1/54 × 1 = 12/54 - Add the two like fractions:
90/54 + 12/54 = 90 + 12/54 = 102/54 - 102/54 simplified gives 17/9
- So, 15/9 + 12/54 = 17/9
In mixed form: 18/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/9+12/54 15/9+24/54 15/18+12/54 45/9+12/54 15/9+36/54 15/27+12/54 75/9+12/54 15/9+60/54 15/45+12/54 15/9+84/54 15/63+12/54