You need to know the least common denominator (LCD) of 59 and 72 if you want to add or subtract two fractions with 59 and 72 as denominators.
The least common denominator, also called lowest common denominator (LCD), of 59 and 72 is 4248.
Here is a math problem example where you need to know the LCD of 59 and 72 to solve:
3/59 + 2/72 = ?
Step 1) Take the LCD and divide each denominator by it as follows:
4248/59 = 72
4248/72 = 59
Step 2) Multiply each nominator with the respective answers from Step 1:
3 x 72 = 216
2 x 59 = 118
Step 3) Put it all together to solve the problem:
216/4248 + 118/4248 = 334/4248
= 3/59 + 2/72 = 334/4248
It's that easy! Once again, the lowest common denominator (LCD) of 59 and 72 is as follows:
4248
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