Add 42/54 and 28/27
1st number: 42/54, 2nd number: 1 1/27
42/54 + 28/27 is 49/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 54 × 1 = 54,
42/54 = 42 × 1/54 × 1 = 42/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
28/27 = 28 × 2/27 × 2 = 56/54 - Add the two like fractions:
42/54 + 56/54 = 42 + 56/54 = 98/54 - 98/54 simplified gives 49/27
- So, 42/54 + 28/27 = 49/27
In mixed form: 122/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/54+28/27 42/54+56/27 42/54+28/54 42/54+84/27 42/54+28/81