Add 42/27 and 42/54
1st number: 1 15/27, 2nd number: 42/54
42/27 + 42/54 is 7/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 27 × 2 = 54,
42/27 = 42 × 2/27 × 2 = 84/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
42/54 = 42 × 1/54 × 1 = 42/54 - Add the two like fractions:
84/54 + 42/54 = 84 + 42/54 = 126/54 - 126/54 simplified gives 7/3
- So, 42/27 + 42/54 = 7/3
In mixed form: 21/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/27+42/54 42/27+84/54 42/54+42/54 42/81+42/54