You need to know the least common denominator (LCD) of 5 and 53 if you want to add or subtract two fractions with 5 and 53 as denominators.
The least common denominator, also called lowest common denominator (LCD), of 5 and 53 is 265.
Here is a math problem example where you need to know the LCD of 5 and 53 to solve:
3/5 + 2/53 = ?
Step 1) Take the LCD and divide each denominator by it as follows:
265/5 = 53
265/53 = 5
Step 2) Multiply each nominator with the respective answers from Step 1:
3 x 53 = 159
2 x 5 = 10
Step 3) Put it all together to solve the problem:
159/265 + 10/265 = 169/265
= 3/5 + 2/53 = 169/265
It's that easy! Once again, the lowest common denominator (LCD) of 5 and 53 is as follows:
265
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