Add 42/27 and 54/9
1st number: 1 15/27, 2nd number: 6 0/9
42/27 + 54/9 is 68/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 9 is 27
Next, find the equivalent fraction of both fractional numbers with denominator 27 - For the 1st fraction, since 27 × 1 = 27,
42/27 = 42 × 1/27 × 1 = 42/27 - Likewise, for the 2nd fraction, since 9 × 3 = 27,
54/9 = 54 × 3/9 × 3 = 162/27 - Add the two like fractions:
42/27 + 162/27 = 42 + 162/27 = 204/27 - 204/27 simplified gives 68/9
- So, 42/27 + 54/9 = 68/9
In mixed form: 75/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/27+54/9 42/54+54/9 42/27+54/18 42/81+54/9 42/27+54/27 42/27+54/45 42/27+54/63