Add 81/45 and 27/84, Solve 1 36/45 + 27/84 as a fraction

Add 81/45 and 27/84

1^st number: 1 36/45, 2^nd number: 27/84

81/45 + 27/84 is 297/140.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 84 is 1260

Next, find the equivalent fraction of both fractional numbers with denominator 1260
For the 1st fraction, since 45 × 28 = 1260,
81/45 = 81 × 28/45 × 28 = 2268/1260
Likewise, for the 2nd fraction, since 84 × 15 = 1260,
27/84 = 27 × 15/84 × 15 = 405/1260
Add the two like fractions:
2268/1260 + 405/1260 = 2268 + 405/1260 = 2673/1260
2673/1260 simplified gives 297/140
So, 81/45 + 27/84 = 297/140
In mixed form: 217/140

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