Add 30/80 and 48/27, Solve 30/80 + 1 21/27 as a fraction

Add 30/80 and 48/27

1^st number: 30/80, 2^nd number: 1 21/27

30/80 + 48/27 is 155/72.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 27 is 2160

Next, find the equivalent fraction of both fractional numbers with denominator 2160
For the 1st fraction, since 80 × 27 = 2160,
30/80 = 30 × 27/80 × 27 = 810/2160
Likewise, for the 2nd fraction, since 27 × 80 = 2160,
48/27 = 48 × 80/27 × 80 = 3840/2160
Add the two like fractions:
810/2160 + 3840/2160 = 810 + 3840/2160 = 4650/2160
4650/2160 simplified gives 155/72
So, 30/80 + 48/27 = 155/72
In mixed form: 211/72

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