Least common denominator of the fractions 4 / 35 , 1 / 28 and 3 / 8 is 280.
"Least common denominator is equals to the least common multiple of all the denominator of the given set of fractions. In short it is known as LCD or LCM."
According to the question,
Given fractions are,
4 / 35 , 1 / 28 and 3 / 8
Denominators of the given fractions are 35, 28 and 8.
Prime multiples of denominators
35 = 7 × 5
28 = 7 × 2 × 2
8 = 2 × 2 × 2
Least common denominator of ( 35, 28, 8) = 7 × 5 × 8
= 280
Hence, least common denominator of the fractions 4 / 35 , 1 / 28 and 3 / 8 is 280.
Learn more about least common denominator here
https://brainly.com/question/8393834
#SPJ2