You need to know the least common denominator (LCD) of 35 and 57 if you want to add or subtract two fractions with 35 and 57 as denominators.
The least common denominator, also called lowest common denominator (LCD), of 35 and 57 is 1995.
Here is a math problem example where you need to know the LCD of 35 and 57 to solve:
3/35 + 2/57 = ?
Step 1) Take the LCD and divide each denominator by it as follows:
1995/35 = 57
1995/57 = 35
Step 2) Multiply each nominator with the respective answers from Step 1:
3 x 57 = 171
2 x 35 = 70
Step 3) Put it all together to solve the problem:
171/1995 + 70/1995 = 241/1995
= 3/35 + 2/57 = 241/1995
It's that easy! Once again, the lowest common denominator (LCD) of 35 and 57 is as follows:
1995
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