Add 28/45 and 75/27, Solve 28/45 + 2 21/27 as a fraction

Add 28/45 and 75/27

1^st number: 28/45, 2^nd number: 2 21/27

28/45 + 75/27 is 17/5.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 27 is 135

Next, find the equivalent fraction of both fractional numbers with denominator 135
For the 1st fraction, since 45 × 3 = 135,
28/45 = 28 × 3/45 × 3 = 84/135
Likewise, for the 2nd fraction, since 27 × 5 = 135,
75/27 = 75 × 5/27 × 5 = 375/135
Add the two like fractions:
84/135 + 375/135 = 84 + 375/135 = 459/135
459/135 simplified gives 17/5
So, 28/45 + 75/27 = 17/5
In mixed form: 32/5

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