You need to know the least common denominator (LCD) of 63 and 48 if you want to add or subtract two fractions with 63 and 48 as denominators.
The least common denominator, also called lowest common denominator (LCD), of 63 and 48 is 1008.
Here is a math problem example where you need to know the LCD of 63 and 48 to solve:
3/63 + 2/48 = ?
Step 1) Take the LCD and divide each denominator by it as follows:
1008/63 = 16
1008/48 = 21
Step 2) Multiply each nominator with the respective answers from Step 1:
3 x 16 = 48
2 x 21 = 42
Step 3) Put it all together to solve the problem:
48/1008 + 42/1008 = 90/1008
= 3/63 + 2/48 = 90/1008
It's that easy! Once again, the lowest common denominator (LCD) of 63 and 48 is as follows:
1008
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