Add 7/2 and 90/27, Solve 3 1/2 + 3 9/27 as a fraction

Add 7/2 and 90/27

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

7/2 + 90/27 is 41/6.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 27 is 54

Next, find the equivalent fraction of both fractional numbers with denominator 54
For the 1st fraction, since 2 × 27 = 54,
7/2 = 7 × 27/2 × 27 = 189/54
Likewise, for the 2nd fraction, since 27 × 2 = 54,
90/27 = 90 × 2/27 × 2 = 180/54
Add the two like fractions:
189/54 + 180/54 = 189 + 180/54 = 369/54
369/54 simplified gives 41/6
So, 7/2 + 90/27 = 41/6
In mixed form: 65/6

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