Add 30/40 and 30/27, Solve 30/40 + 1 3/27 as a fraction

Add 30/40 and 30/27

1^st number: 30/40, 2^nd number: 1 3/27

30/40 + 30/27 is 67/36.

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,
30/40 = 30 × 27/40 × 27 = 810/1080
Likewise, for the 2nd fraction, since 27 × 40 = 1080,
30/27 = 30 × 40/27 × 40 = 1200/1080
Add the two like fractions:
810/1080 + 1200/1080 = 810 + 1200/1080 = 2010/1080
2010/1080 simplified gives 67/36
So, 30/40 + 30/27 = 67/36
In mixed form: 131/36

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