Add 2/21 and 12/14
2/21 + 12/14 is 20/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
2/21 = 2 × 2/21 × 2 = 4/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
12/14 = 12 × 3/14 × 3 = 36/42 - Add the two like fractions:
4/42 + 36/42 = 4 + 36/42 = 40/42 - 40/42 simplified gives 20/21
- So, 2/21 + 12/14 = 20/21
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