Add 9/28 and 36/81
9/28 + 36/81 is 193/252.
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,
9/28 = 9 × 81/28 × 81 = 729/2268 - Likewise, for the 2nd fraction, since 81 × 28 = 2268,
36/81 = 36 × 28/81 × 28 = 1008/2268 - Add the two like fractions:
729/2268 + 1008/2268 = 729 + 1008/2268 = 1737/2268 - 1737/2268 simplified gives 193/252
- So, 9/28 + 36/81 = 193/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/28+36/81 9/28+72/81 9/56+36/81 27/28+36/81 9/84+36/81 45/28+36/81 63/28+36/81