You need to know the least common denominator (LCD) of 74 and 5 if you want to add or subtract two fractions with 74 and 5 as denominators.
The least common denominator, also called lowest common denominator (LCD), of 74 and 5 is 370.
Here is a math problem example where you need to know the LCD of 74 and 5 to solve:
3/74 + 2/5 = ?
Step 1) Take the LCD and divide each denominator by it as follows:
370/74 = 5
370/5 = 74
Step 2) Multiply each nominator with the respective answers from Step 1:
3 x 5 = 15
2 x 74 = 148
Step 3) Put it all together to solve the problem:
15/370 + 148/370 = 163/370
= 3/74 + 2/5 = 163/370
It's that easy! Once again, the lowest common denominator (LCD) of 74 and 5 is as follows:
370
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