Add 27/36 and 90/27, Solve 27/36 + 3 9/27 as a fraction

Add 27/36 and 90/27

1^st number: 27/36, 2^nd number: 3 9/27

27/36 + 90/27 is 49/12.

Find the least common denominator or LCM of the two denominators:
LCM of 36 and 27 is 108

Next, find the equivalent fraction of both fractional numbers with denominator 108
For the 1st fraction, since 36 × 3 = 108,
27/36 = 27 × 3/36 × 3 = 81/108
Likewise, for the 2nd fraction, since 27 × 4 = 108,
90/27 = 90 × 4/27 × 4 = 360/108
Add the two like fractions:
81/108 + 360/108 = 81 + 360/108 = 441/108
441/108 simplified gives 49/12
So, 27/36 + 90/27 = 49/12
In mixed form: 41/12

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