Add 27/15 and 27/8, Solve 1 12/15 + 3 3/8 as a fraction

Add 27/15 and 27/8

1^st number: 1 12/15, 2^nd number: 3 3/8

27/15 + 27/8 is 207/40.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 8 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 15 × 8 = 120,
27/15 = 27 × 8/15 × 8 = 216/120
Likewise, for the 2nd fraction, since 8 × 15 = 120,
27/8 = 27 × 15/8 × 15 = 405/120
Add the two like fractions:
216/120 + 405/120 = 216 + 405/120 = 621/120
621/120 simplified gives 207/40
So, 27/15 + 27/8 = 207/40
In mixed form: 57/40

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