Add 21/14 and 4/54
1st number: 1 7/14, 2nd number: 4/54
21/14 + 4/54 is 85/54.
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,
4/54 = 4 × 7/54 × 7 = 28/378 - Add the two like fractions:
567/378 + 28/378 = 567 + 28/378 = 595/378 - 595/378 simplified gives 85/54
- So, 21/14 + 4/54 = 85/54
In mixed form: 131/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/14+4/54 21/14+8/54 21/28+4/54 63/14+4/54 21/14+12/54 21/42+4/54 21/14+20/54 21/70+4/54 21/14+28/54 21/98+4/54