Add 12/24 and 4/42, Solve 12/24 + 4/42 as a fraction

Add 12/24 and 4/42

12/24 + 4/42 is 25/42.

Find the least common denominator or LCM of the two denominators:
LCM of 24 and 42 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 24 × 7 = 168,
12/24 = 12 × 7/24 × 7 = 84/168
Likewise, for the 2nd fraction, since 42 × 4 = 168,
4/42 = 4 × 4/42 × 4 = 16/168
Add the two like fractions:
84/168 + 16/168 = 84 + 16/168 = 100/168
100/168 simplified gives 25/42
So, 12/24 + 4/42 = 25/42

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