Add 18/14 and 28/80
1st number: 1 4/14, 2nd number: 28/80
18/14 + 28/80 is 229/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 14 × 40 = 560,
18/14 = 18 × 40/14 × 40 = 720/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
28/80 = 28 × 7/80 × 7 = 196/560 - Add the two like fractions:
720/560 + 196/560 = 720 + 196/560 = 916/560 - 916/560 simplified gives 229/140
- So, 18/14 + 28/80 = 229/140
In mixed form: 189/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/14+28/80 18/14+56/80 18/28+28/80 54/14+28/80 18/14+84/80 18/42+28/80 90/14+28/80 18/70+28/80 18/98+28/80