You can use any common multiple of 2 and 4. The easiest (for subsequent calculations) to use is the lowest common multiple, which for 2 and 4 is 4.
→ 1/2 = 2/4
→ 3/4 = 3/4 (it already has 4 in the denominator)
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The denominator of the sum 34 is 1.The denominator of 12 + 14 is also 1. So the denominators are the same.
What would be the ideal Common Denominator for 2 and 4?
The least common denominator of fractions is the smallest multiple of the denominators that they both share. To find the least common denominator of 2/3 and 7/12, you need to find the least common multiple of 3 and 12, which is 12. Therefore, the least common denominator of 2/3 and 7/12 is 12.
A common denominator, though not the least, is 1056.
The common denominator will be the LCM of these numbers, which is 120.