Add 15/54 and 10/12
15/54 + 10/12 is 10/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 12 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 54 × 2 = 108,
15/54 = 15 × 2/54 × 2 = 30/108 - Likewise, for the 2nd fraction, since 12 × 9 = 108,
10/12 = 10 × 9/12 × 9 = 90/108 - Add the two like fractions:
30/108 + 90/108 = 30 + 90/108 = 120/108 - 120/108 simplified gives 10/9
- So, 15/54 + 10/12 = 10/9
In mixed form: 11/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/54+10/12 15/54+20/12 15/54+10/24 45/54+10/12 15/54+30/12 15/54+10/36 75/54+10/12 15/54+50/12 15/54+10/60 15/54+70/12 15/54+10/84