Add 10/40 and 42/27, Solve 10/40 + 1 15/27 as a fraction

Add 10/40 and 42/27

1^st number: 10/40, 2^nd number: 1 15/27

10/40 + 42/27 is 65/36.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 27 is 1080

Next, find the equivalent fraction of both fractional numbers with denominator 1080
For the 1st fraction, since 40 × 27 = 1080,
10/40 = 10 × 27/40 × 27 = 270/1080
Likewise, for the 2nd fraction, since 27 × 40 = 1080,
42/27 = 42 × 40/27 × 40 = 1680/1080
Add the two like fractions:
270/1080 + 1680/1080 = 270 + 1680/1080 = 1950/1080
1950/1080 simplified gives 65/36
So, 10/40 + 42/27 = 65/36
In mixed form: 129/36

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