You need to know the least common denominator (LCD) of 49 and 2 if you want to add or subtract two fractions with 49 and 2 as denominators.
The least common denominator, also called lowest common denominator (LCD), of 49 and 2 is 98.
Here is a math problem example where you need to know the LCD of 49 and 2 to solve:
3/49 + 2/2 = ?
Step 1) Take the LCD and divide each denominator by it as follows:
98/49 = 2
98/2 = 49
Step 2) Multiply each nominator with the respective answers from Step 1:
3 x 2 = 6
2 x 49 = 98
Step 3) Put it all together to solve the problem:
6/98 + 98/98 = 104/98
= 3/49 + 2/2 = 104/98
It's that easy! Once again, the lowest common denominator (LCD) of 49 and 2 is as follows:
98
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