Add 5/42 and 6/54
5/42 + 6/54 is 29/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 42 × 9 = 378,
5/42 = 5 × 9/42 × 9 = 45/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
6/54 = 6 × 7/54 × 7 = 42/378 - Add the two like fractions:
45/378 + 42/378 = 45 + 42/378 = 87/378 - 87/378 simplified gives 29/126
- So, 5/42 + 6/54 = 29/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/42+6/54 5/42+12/54 5/84+6/54 15/42+6/54 5/42+18/54 25/42+6/54 5/42+30/54 35/42+6/54 5/42+42/54