You need to know the least common denominator (LCD) of 60 and 8 if you want to add or subtract two fractions with 60 and 8 as denominators.
The least common denominator, also called lowest common denominator (LCD), of 60 and 8 is 120.
Here is a math problem example where you need to know the LCD of 60 and 8 to solve:
3/60 + 2/8 = ?
Step 1) Take the LCD and divide each denominator by it as follows:
120/60 = 2
120/8 = 15
Step 2) Multiply each nominator with the respective answers from Step 1:
3 x 2 = 6
2 x 15 = 30
Step 3) Put it all together to solve the problem:
6/120 + 30/120 = 36/120
= 3/60 + 2/8 = 36/120
It's that easy! Once again, the lowest common denominator (LCD) of 60 and 8 is as follows:
120
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