Add 27/4 and 5/15, Solve 6 3/4 + 5/15 as a fraction

Add 27/4 and 5/15

1^st number: 6 3/4, 2^nd number: 5/15

27/4 + 5/15 is 85/12.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 15 is 60

Next, find the equivalent fraction of both fractional numbers with denominator 60
For the 1st fraction, since 4 × 15 = 60,
27/4 = 27 × 15/4 × 15 = 405/60
Likewise, for the 2nd fraction, since 15 × 4 = 60,
5/15 = 5 × 4/15 × 4 = 20/60
Add the two like fractions:
405/60 + 20/60 = 405 + 20/60 = 425/60
425/60 simplified gives 85/12
So, 27/4 + 5/15 = 85/12
In mixed form: 71/12

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