Add 54/9 and 42/28
1st number: 6 0/9, 2nd number: 1 14/28
54/9 + 42/28 is 15/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 9 × 28 = 252,
54/9 = 54 × 28/9 × 28 = 1512/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
42/28 = 42 × 9/28 × 9 = 378/252 - Add the two like fractions:
1512/252 + 378/252 = 1512 + 378/252 = 1890/252 - 1890/252 simplified gives 15/2
- So, 54/9 + 42/28 = 15/2
In mixed form: 71/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/9+84/28 54/18+42/28 54/9+42/56 54/27+42/28 54/9+42/84 54/45+42/28 54/63+42/28