Add 36/28 and 40/81
1st number: 1 8/28, 2nd number: 40/81
36/28 + 40/81 is 1009/567.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 81 is 2268
Next, find the equivalent fraction of both fractional numbers with denominator 2268 - For the 1st fraction, since 28 × 81 = 2268,
36/28 = 36 × 81/28 × 81 = 2916/2268 - Likewise, for the 2nd fraction, since 81 × 28 = 2268,
40/81 = 40 × 28/81 × 28 = 1120/2268 - Add the two like fractions:
2916/2268 + 1120/2268 = 2916 + 1120/2268 = 4036/2268 - 4036/2268 simplified gives 1009/567
- So, 36/28 + 40/81 = 1009/567
In mixed form: 1442/567
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/28+40/81 36/28+80/81 36/56+40/81 36/84+40/81