Problem: 8/9 * (2/5+3/7*1/3+3/5) * 4 =?
8/9 * (2/5 + 3/7 * 1/3 + 3/5) * 4 =
Perform the multiplication inside the parentheses.
8/9 * (2/5 + (3/7 * 1/3) + 3/5) * 4 =
8/9 * (2/5 + 1/7 + 3/5) * 4 =
Convert the fractions inside the parentheses to a common denominator.
8/9 * (14/35 + 5/35 + 21/35) * 4 =
Add the fractions inside the parentheses.
8/9 * 40/35 * 4 =
Multiply the fractions.
(8/9 * 40/35) * 4 =
(320/315) * 4 =
Perform the final multiplication and reduce the resulting fraction.
1280/315 = 4.063492063492063