Add 27/15 and 45/16, Solve 1 12/15 + 2 13/16 as a fraction

Add 27/15 and 45/16

1^st number: 1 12/15, 2^nd number: 2 13/16

27/15 + 45/16 is 369/80.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 16 is 240

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 15 × 16 = 240,
27/15 = 27 × 16/15 × 16 = 432/240
Likewise, for the 2nd fraction, since 16 × 15 = 240,
45/16 = 45 × 15/16 × 15 = 675/240
Add the two like fractions:
432/240 + 675/240 = 432 + 675/240 = 1107/240
1107/240 simplified gives 369/80
So, 27/15 + 45/16 = 369/80
In mixed form: 449/80

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