A common denominator, though not the least, is 63000.
40
1/7 + 3/8 = 8/56 + 21/56 is the lowest common denominator.
You need at least two denominators to find something in common between them.
What is the least denominator of 2 and 3
The Least Common Denominator of 3/4 and 7/8 is 8.
The least common denominator is 280.
A common denominator, though not the least, is 63000.
56
The least common denominator of 6,7, and 8 is the least common multiple of those numbers. This is 168.
280
It is: 1008
40
LCD(5, 8, 7) = 280
It is: 840
1/7 + 3/8 = 8/56 + 21/56 is the lowest common denominator.
To find a common denominator for 7 and 8, we need to find the least common multiple (LCM) of the two numbers, which is 56. Therefore, a proper fraction with a denominator that is common to 7 and 8 would be any fraction with 56 as the denominator, such as 3/56 or 7/56.