You need to know the least common denominator (LCD) of 2 and 88 if you want to add or subtract two fractions with 2 and 88 as denominators.
The least common denominator, also called lowest common denominator (LCD), of 2 and 88 is 88.
Here is a math problem example where you need to know the LCD of 2 and 88 to solve:
3/2 + 2/88 = ?
Step 1) Take the LCD and divide each denominator by it as follows:
88/2 = 44
88/88 = 1
Step 2) Multiply each nominator with the respective answers from Step 1:
3 x 44 = 132
2 x 1 = 2
Step 3) Put it all together to solve the problem:
132/88 + 2/88 = 134/88
= 3/2 + 2/88 = 134/88
It's that easy! Once again, the lowest common denominator (LCD) of 2 and 88 is as follows:
88
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