Add 12/42 and 30/36
12/42 + 30/36 is 47/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 42 × 6 = 252,
12/42 = 12 × 6/42 × 6 = 72/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
30/36 = 30 × 7/36 × 7 = 210/252 - Add the two like fractions:
72/252 + 210/252 = 72 + 210/252 = 282/252 - 282/252 simplified gives 47/42
- So, 12/42 + 30/36 = 47/42
In mixed form: 15/42
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