Add 28/14 and 10/81
1st number: 2 0/14, 2nd number: 10/81
28/14 + 10/81 is 172/81.
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,
28/14 = 28 × 81/14 × 81 = 2268/1134 - Likewise, for the 2nd fraction, since 81 × 14 = 1134,
10/81 = 10 × 14/81 × 14 = 140/1134 - Add the two like fractions:
2268/1134 + 140/1134 = 2268 + 140/1134 = 2408/1134 - 2408/1134 simplified gives 172/81
- So, 28/14 + 10/81 = 172/81
In mixed form: 210/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/14+10/81 28/14+20/81 84/14+10/81 28/14+30/81 28/42+10/81 28/14+50/81 28/70+10/81 28/14+70/81 28/98+10/81