Add 2/3 and 18/42
2/3 + 18/42 is 23/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 3 × 14 = 42,
2/3 = 2 × 14/3 × 14 = 28/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
18/42 = 18 × 1/42 × 1 = 18/42 - Add the two like fractions:
28/42 + 18/42 = 28 + 18/42 = 46/42 - 46/42 simplified gives 23/21
- So, 2/3 + 18/42 = 23/21
In mixed form: 12/21
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