You need to know the least common denominator (LCD) of 2 and 33 if you want to add or subtract two fractions with 2 and 33 as denominators.
The least common denominator, also called lowest common denominator (LCD), of 2 and 33 is 66.
Here is a math problem example where you need to know the LCD of 2 and 33 to solve:
3/2 + 2/33 = ?
Step 1) Take the LCD and divide each denominator by it as follows:
66/2 = 33
66/33 = 2
Step 2) Multiply each nominator with the respective answers from Step 1:
3 x 33 = 99
2 x 2 = 4
Step 3) Put it all together to solve the problem:
99/66 + 4/66 = 103/66
= 3/2 + 2/33 = 103/66
It's that easy! Once again, the lowest common denominator (LCD) of 2 and 33 is as follows:
66
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