You need to know the least common denominator (LCD) of 95 and 31 if you want to add or subtract two fractions with 95 and 31 as denominators.
The least common denominator, also called lowest common denominator (LCD), of 95 and 31 is 2945.
Here is a math problem example where you need to know the LCD of 95 and 31 to solve:
3/95 + 2/31 = ?
Step 1) Take the LCD and divide each denominator by it as follows:
2945/95 = 31
2945/31 = 95
Step 2) Multiply each nominator with the respective answers from Step 1:
3 x 31 = 93
2 x 95 = 190
Step 3) Put it all together to solve the problem:
93/2945 + 190/2945 = 283/2945
= 3/95 + 2/31 = 283/2945
It's that easy! Once again, the lowest common denominator (LCD) of 95 and 31 is as follows:
2945
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