Add 2/12 and 15/42
2/12 + 15/42 is 11/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
2/12 = 2 × 7/12 × 7 = 14/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
15/42 = 15 × 2/42 × 2 = 30/84 - Add the two like fractions:
14/84 + 30/84 = 14 + 30/84 = 44/84 - 44/84 simplified gives 11/21
- So, 2/12 + 15/42 = 11/21
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