Add 6/54 and 18/42
6/54 + 18/42 is 34/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 42 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
6/54 = 6 × 7/54 × 7 = 42/378 - Likewise, for the 2nd fraction, since 42 × 9 = 378,
18/42 = 18 × 9/42 × 9 = 162/378 - Add the two like fractions:
42/378 + 162/378 = 42 + 162/378 = 204/378 - 204/378 simplified gives 34/63
- So, 6/54 + 18/42 = 34/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/54+18/42 6/54+36/42 6/54+18/84 18/54+18/42 6/54+54/42 30/54+18/42 6/54+90/42 42/54+18/42