You need to know the least common denominator (LCD) of 10 and 24 if you want to add or subtract two fractions with 10 and 24 as denominators.
The least common denominator, also called lowest common denominator (LCD), of 10 and 24 is 120.
Here is a math problem example where you need to know the LCD of 10 and 24 to solve:
3/10 + 2/24 = ?
Step 1) Take the LCD and divide each denominator by it as follows:
120/10 = 12
120/24 = 5
Step 2) Multiply each nominator with the respective answers from Step 1:
3 x 12 = 36
2 x 5 = 10
Step 3) Put it all together to solve the problem:
36/120 + 10/120 = 46/120
= 3/10 + 2/24 = 46/120
It's that easy! Once again, the lowest common denominator (LCD) of 10 and 24 is as follows:
120
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