I think what you might have meant was LCD (Lowest Common Denominator) The LCD for 11/7 and 3/8 is 56 Making equivalent fractions using the LCD: 11/7 becomes 88/56 3/8 becomes 21/56
The LCD of 3/20 and 7/30 is 60.
The lcd of 2/3 and 7/12 is 12
The LCD of 7 and 77 is 77.
LCD(3, 5, 4, 2) = 60
168
It is: 42
231
84
It is 42
It is: 63
If that's 3/8 and 7/10, the LCD is 40.If not, it's 13490
1 All of these numbers are primes. * * * * * That is the HCF or GCF. The LCD is 42
It is 3 because 7 is a prime number and 6 can be divided into 3 by 2:)
Multiply them together.
405?
15