Add 30/80 and 42/14, Solve 30/80 + 3 0/14 as a fraction

Add 30/80 and 42/14

1^st number: 30/80, 2^nd number: 3 0/14

30/80 + 42/14 is 27/8.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 14 is 560

Next, find the equivalent fraction of both fractional numbers with denominator 560
For the 1st fraction, since 80 × 7 = 560,
30/80 = 30 × 7/80 × 7 = 210/560
Likewise, for the 2nd fraction, since 14 × 40 = 560,
42/14 = 42 × 40/14 × 40 = 1680/560
Add the two like fractions:
210/560 + 1680/560 = 210 + 1680/560 = 1890/560
1890/560 simplified gives 27/8
So, 30/80 + 42/14 = 27/8
In mixed form: 33/8

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