Add 18/14 and 28/81
1st number: 1 4/14, 2nd number: 28/81
18/14 + 28/81 is 925/567.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 81 is 1134
Next, find the equivalent fraction of both fractional numbers with denominator 1134 - For the 1st fraction, since 14 × 81 = 1134,
18/14 = 18 × 81/14 × 81 = 1458/1134 - Likewise, for the 2nd fraction, since 81 × 14 = 1134,
28/81 = 28 × 14/81 × 14 = 392/1134 - Add the two like fractions:
1458/1134 + 392/1134 = 1458 + 392/1134 = 1850/1134 - 1850/1134 simplified gives 925/567
- So, 18/14 + 28/81 = 925/567
In mixed form: 1358/567
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/14+28/81 18/14+56/81 18/28+28/81 54/14+28/81 18/14+84/81 18/42+28/81 90/14+28/81 18/70+28/81 18/98+28/81