Add 30/14 and 18/54
1st number: 2 2/14, 2nd number: 18/54
30/14 + 18/54 is 52/21.
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,
30/14 = 30 × 27/14 × 27 = 810/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
18/54 = 18 × 7/54 × 7 = 126/378 - Add the two like fractions:
810/378 + 126/378 = 810 + 126/378 = 936/378 - 936/378 simplified gives 52/21
- So, 30/14 + 18/54 = 52/21
In mixed form: 210/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/14+18/54 30/14+36/54 30/28+18/54 90/14+18/54 30/42+18/54 30/14+90/54 30/70+18/54 30/98+18/54