Add 10/28 and 21/81
10/28 + 21/81 is 233/378.
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,
10/28 = 10 × 81/28 × 81 = 810/2268 - Likewise, for the 2nd fraction, since 81 × 28 = 2268,
21/81 = 21 × 28/81 × 28 = 588/2268 - Add the two like fractions:
810/2268 + 588/2268 = 810 + 588/2268 = 1398/2268 - 1398/2268 simplified gives 233/378
- So, 10/28 + 21/81 = 233/378
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