Add 12/42 and 24/36
12/42 + 24/36 is 20/21.
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,
24/36 = 24 × 7/36 × 7 = 168/252 - Add the two like fractions:
72/252 + 168/252 = 72 + 168/252 = 240/252 - 240/252 simplified gives 20/21
- So, 12/42 + 24/36 = 20/21
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