They can all be multiplied by a certain number to equal 40. such as 4x10= 40 5x8= 40. hope this helps!
The common denominator of 5 over 8 and 4 over 9 is 72.
The common denominator of 5/8 and 3/4 is 32.The lowest common denominator (LCD) is 8.The highest common denominator (HCD) is 32.
1
40
82
The common denominator will be the LCM of these numbers, which is 120.
To compare fractions, convert them to a common denominator - in this case, a denominator of 8 will work.To compare fractions, convert them to a common denominator - in this case, a denominator of 8 will work.To compare fractions, convert them to a common denominator - in this case, a denominator of 8 will work.To compare fractions, convert them to a common denominator - in this case, a denominator of 8 will work.
If you mean fractions of 3/4 and 5/8 then the lowest common denominator needed is 8
5/8 - 1/4 = 5/8 - 2/8 = 3/8 (make all fractions equivalent fractions with a common denominator - in this case, a common denominator of 8 - and then subtract the numerators).
280
120
The LCD of 4 and 8 is 8.