You need to know the least common denominator (LCD) of 4 and 62 if you want to add or subtract two fractions with 4 and 62 as denominators.
The least common denominator, also called lowest common denominator (LCD), of 4 and 62 is 124.
Here is a math problem example where you need to know the LCD of 4 and 62 to solve:
3/4 + 2/62 = ?
Step 1) Take the LCD and divide each denominator by it as follows:
124/4 = 31
124/62 = 2
Step 2) Multiply each nominator with the respective answers from Step 1:
3 x 31 = 93
2 x 2 = 4
Step 3) Put it all together to solve the problem:
93/124 + 4/124 = 97/124
= 3/4 + 2/62 = 97/124
It's that easy! Once again, the lowest common denominator (LCD) of 4 and 62 is as follows:
124
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