Add 21/14 and 6/54
1st number: 1 7/14, 2nd number: 6/54
21/14 + 6/54 is 29/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 14 × 27 = 378,
21/14 = 21 × 27/14 × 27 = 567/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
6/54 = 6 × 7/54 × 7 = 42/378 - Add the two like fractions:
567/378 + 42/378 = 567 + 42/378 = 609/378 - 609/378 simplified gives 29/18
- So, 21/14 + 6/54 = 29/18
In mixed form: 111/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/14+6/54 21/14+12/54 21/28+6/54 63/14+6/54 21/14+18/54 21/42+6/54 21/14+30/54 21/70+6/54 21/14+42/54 21/98+6/54