Add 16/42 and 6/54
16/42 + 6/54 is 31/63.
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,
16/42 = 16 × 9/42 × 9 = 144/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
6/54 = 6 × 7/54 × 7 = 42/378 - Add the two like fractions:
144/378 + 42/378 = 144 + 42/378 = 186/378 - 186/378 simplified gives 31/63
- So, 16/42 + 6/54 = 31/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/42+6/54 16/42+12/54 16/84+6/54 48/42+6/54 16/42+18/54 80/42+6/54 16/42+30/54 16/42+42/54