Add 40/81 and 45/84
40/81 + 45/84 is 2335/2268.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 84 is 2268
Next, find the equivalent fraction of both fractional numbers with denominator 2268 - For the 1st fraction, since 81 × 28 = 2268,
40/81 = 40 × 28/81 × 28 = 1120/2268 - Likewise, for the 2nd fraction, since 84 × 27 = 2268,
45/84 = 45 × 27/84 × 27 = 1215/2268 - Add the two like fractions:
1120/2268 + 1215/2268 = 1120 + 1215/2268 = 2335/2268 - So, 40/81 + 45/84 = 2335/2268
In mixed form: 167/2268
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