You need to know the least common denominator (LCD) of 8 and 32 if you want to add or subtract two fractions with 8 and 32 as denominators.
The least common denominator, also called lowest common denominator (LCD), of 8 and 32 is 32.
Here is a math problem example where you need to know the LCD of 8 and 32 to solve:
3/8 + 2/32 = ?
Step 1) Take the LCD and divide each denominator by it as follows:
32/8 = 4
32/32 = 1
Step 2) Multiply each nominator with the respective answers from Step 1:
3 x 4 = 12
2 x 1 = 2
Step 3) Put it all together to solve the problem:
12/32 + 2/32 = 14/32
= 3/8 + 2/32 = 14/32
It's that easy! Once again, the lowest common denominator (LCD) of 8 and 32 is as follows:
32
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