You need to know the least common denominator (LCD) of 2 and 92 if you want to add or subtract two fractions with 2 and 92 as denominators.
The least common denominator, also called lowest common denominator (LCD), of 2 and 92 is 92.
Here is a math problem example where you need to know the LCD of 2 and 92 to solve:
3/2 + 2/92 = ?
Step 1) Take the LCD and divide each denominator by it as follows:
92/2 = 46
92/92 = 1
Step 2) Multiply each nominator with the respective answers from Step 1:
3 x 46 = 138
2 x 1 = 2
Step 3) Put it all together to solve the problem:
138/92 + 2/92 = 140/92
= 3/2 + 2/92 = 140/92
It's that easy! Once again, the lowest common denominator (LCD) of 2 and 92 is as follows:
92
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