Add 12/8 and 12/42, Solve 1 4/8 + 12/42 as a fraction

Add 12/8 and 12/42

1^st number: 1 4/8, 2^nd number: 12/42

12/8 + 12/42 is 25/14.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 42 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 8 × 21 = 168,
12/8 = 12 × 21/8 × 21 = 252/168
Likewise, for the 2nd fraction, since 42 × 4 = 168,
12/42 = 12 × 4/42 × 4 = 48/168
Add the two like fractions:
252/168 + 48/168 = 252 + 48/168 = 300/168
300/168 simplified gives 25/14
So, 12/8 + 12/42 = 25/14
In mixed form: 111/14

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