(a) Express as an equivalent fraction with a denominator of 40. (b) Express as an equivalent fraction with a denominator of 10. (c) Express 6 as an equivalent fraction with a denominator of 4....

(a) Express
as an equivalent fraction with a denominator of 40. (b) Express
as an equivalent fraction with a denominator of 10. (c) Express 6 as an equivalent fraction with a denominator of 4.

Consider the fractions
,and
. (a) Calculate the l.c.m. of their denominators. (b) Express each fraction as an equivalent fraction with the l.c.m. found in (a) as the denominator.