Add 90/27 and 4/15, Solve 3 9/27 + 4/15 as a fraction

Add 90/27 and 4/15

1^st number: 3 9/27, 2^nd number: 4/15

90/27 + 4/15 is 18/5.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 15 is 135

Next, find the equivalent fraction of both fractional numbers with denominator 135
For the 1st fraction, since 27 × 5 = 135,
90/27 = 90 × 5/27 × 5 = 450/135
Likewise, for the 2nd fraction, since 15 × 9 = 135,
4/15 = 4 × 9/15 × 9 = 36/135
Add the two like fractions:
450/135 + 36/135 = 450 + 36/135 = 486/135
486/135 simplified gives 18/5
So, 90/27 + 4/15 = 18/5
In mixed form: 33/5

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