what is a fraction?
fraction = part / whole
mixed number has whole number and fractions
1+5/8
common denominators!
8/8 – 3/8 = 5/8 keep denominator same
circumference 88, 28.25
diameter 28, 9
circumference/diameter 3.14, 3.14
π = 3.14
radius * 2 = diameter
c = π*d
d = 3, c = 9.42
Area = πr^2
