Add 18/28 and 3/81
18/28 + 3/81 is 257/378.
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,
18/28 = 18 × 81/28 × 81 = 1458/2268 - Likewise, for the 2nd fraction, since 81 × 28 = 2268,
3/81 = 3 × 28/81 × 28 = 84/2268 - Add the two like fractions:
1458/2268 + 84/2268 = 1458 + 84/2268 = 1542/2268 - 1542/2268 simplified gives 257/378
- So, 18/28 + 3/81 = 257/378
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