Add 60/84 and 45/81
60/84 + 45/81 is 80/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 81 is 2268
Next, find the equivalent fraction of both fractional numbers with denominator 2268 - For the 1st fraction, since 84 × 27 = 2268,
60/84 = 60 × 27/84 × 27 = 1620/2268 - Likewise, for the 2nd fraction, since 81 × 28 = 2268,
45/81 = 45 × 28/81 × 28 = 1260/2268 - Add the two like fractions:
1620/2268 + 1260/2268 = 1620 + 1260/2268 = 2880/2268 - 2880/2268 simplified gives 80/63
- So, 60/84 + 45/81 = 80/63
In mixed form: 117/63
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