The least common denominator for 4 5 and 11 is 1.
The least common denominator for 4/5 and 31/35 is 35.
Sir/Ma'am, denominator are fractions, so the is no common denominator. But the least common multiples is 30
20
The LCD of -5 and 4 is 20.
140
60.
40
60
20
It is: 140
60