Add 54/15 and 10/9
1st number: 3 9/15, 2nd number: 1 1/9
54/15 + 10/9 is 212/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
54/15 = 54 × 3/15 × 3 = 162/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
10/9 = 10 × 5/9 × 5 = 50/45 - Add the two like fractions:
162/45 + 50/45 = 162 + 50/45 = 212/45 - So, 54/15 + 10/9 = 212/45
In mixed form: 432/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/15+20/9 54/30+10/9 54/15+10/18 54/15+30/9 54/45+10/9 54/15+10/27 54/15+50/9 54/75+10/9 54/15+10/45 54/15+70/9 54/15+10/63