Denominator of seven eights, ie of fifty six is 1. The denominator of five sixths is 6 so the common denominator is 6.
168 is the least common multiple of 56 and 84
6 5/9 = 59/9Multiply the 6 by the nine in the denominator and add it to 5 in the numerator.
Neither, six times nine is fifty four.
To subtract two fractions, they must have a common denominator. In this case, the common denominator is 9. So, convert 2/3 to 6/9. Then, subtract 6/9 - 4/9 to get 2/9 as the result.
It is: 18 which is also their LCM
Six.
12
A common denominator of 6, 8 and 10 is 480. This is NOT the least common denominator, though.
77
24
24 is.
There is no exact least common denominator. Six does not go into 38
You need at least two denominators to find something in common between them.
90
LCD(8, 6) = 24
The LCM is 630.