Add 10/81 and 18/28
10/81 + 18/28 is 869/1134.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 28 is 2268
Next, find the equivalent fraction of both fractional numbers with denominator 2268 - For the 1st fraction, since 81 × 28 = 2268,
10/81 = 10 × 28/81 × 28 = 280/2268 - Likewise, for the 2nd fraction, since 28 × 81 = 2268,
18/28 = 18 × 81/28 × 81 = 1458/2268 - Add the two like fractions:
280/2268 + 1458/2268 = 280 + 1458/2268 = 1738/2268 - 1738/2268 simplified gives 869/1134
- So, 10/81 + 18/28 = 869/1134
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/81+18/28 10/81+36/28 10/81+18/56 30/81+18/28 10/81+54/28 10/81+18/84 50/81+18/28 10/81+90/28 70/81+18/28