Add 12/30 and 27/20, Solve 12/30 + 1 7/20 as a fraction

Add 12/30 and 27/20

1^st number: 12/30, 2^nd number: 1 7/20

12/30 + 27/20 is 7/4.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 20 is 60

Next, find the equivalent fraction of both fractional numbers with denominator 60
For the 1st fraction, since 30 × 2 = 60,
12/30 = 12 × 2/30 × 2 = 24/60
Likewise, for the 2nd fraction, since 20 × 3 = 60,
27/20 = 27 × 3/20 × 3 = 81/60
Add the two like fractions:
24/60 + 81/60 = 24 + 81/60 = 105/60
105/60 simplified gives 7/4
So, 12/30 + 27/20 = 7/4
In mixed form: 13/4

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