Add 7/14 and 28/54
7/14 + 28/54 is 55/54.
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,
7/14 = 7 × 27/14 × 27 = 189/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
28/54 = 28 × 7/54 × 7 = 196/378 - Add the two like fractions:
189/378 + 196/378 = 189 + 196/378 = 385/378 - 385/378 simplified gives 55/54
- So, 7/14 + 28/54 = 55/54
In mixed form: 11/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 7/14+56/54 7/28+28/54 21/14+28/54 7/14+84/54 7/42+28/54 35/14+28/54 7/70+28/54 49/14+28/54 7/98+28/54