Add 42/54 and 3/27
42/54 + 3/27 is 8/9.
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,
3/27 = 3 × 2/27 × 2 = 6/54 - Add the two like fractions:
42/54 + 6/54 = 42 + 6/54 = 48/54 - 48/54 simplified gives 8/9
- So, 42/54 + 3/27 = 8/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/54+3/27 42/54+6/27 42/54+3/54 42/54+9/27 42/54+3/81 42/54+15/27 42/54+21/27