Add 7/15 and 90/27, Solve 7/15 + 3 9/27 as a fraction

Add 7/15 and 90/27

1^st number: 7/15, 2^nd number: 3 9/27

7/15 + 90/27 is 19/5.

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

Next, find the equivalent fraction of both fractional numbers with denominator 135
For the 1st fraction, since 15 × 9 = 135,
7/15 = 7 × 9/15 × 9 = 63/135
Likewise, for the 2nd fraction, since 27 × 5 = 135,
90/27 = 90 × 5/27 × 5 = 450/135
Add the two like fractions:
63/135 + 450/135 = 63 + 450/135 = 513/135
513/135 simplified gives 19/5
So, 7/15 + 90/27 = 19/5
In mixed form: 34/5

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