Add 30/40 and 48/27, Solve 30/40 + 1 21/27 as a fraction

Add 30/40 and 48/27

1^st number: 30/40, 2^nd number: 1 21/27

30/40 + 48/27 is 91/36.

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,
48/27 = 48 × 40/27 × 40 = 1920/1080
Add the two like fractions:
810/1080 + 1920/1080 = 810 + 1920/1080 = 2730/1080
2730/1080 simplified gives 91/36
So, 30/40 + 48/27 = 91/36
In mixed form: 219/36

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