56
The common denominator of 15 and 9 is 45.
1/7 + 3/8 = 8/56 + 21/56 is the lowest common denominator.
7560
4536
A common denominator is 7.A common denominator is 7.A common denominator is 7.A common denominator is 7.
LCD(28, 56) = 56.
168
56
It is 56
The common denominator of 15 and 9 is 45.
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.
As 2 is a factor of 56, lcd(2, 56) = 56.
1/7 + 3/8 = 8/56 + 21/56 is the lowest common denominator.
1512
It is: 728
56