Express each ratio as a fraction in it lowest form:
1.18hours :2days
2.25cm:3m
18hr : 2days = 18hr : 48hr = 3:8
do the other in like wise
2.
1 m = 100 cm
3 m = 300 cm
2.25cm:3m= 2.25 cm / 300 cm =
2.25 / 300 =
Multiply numerator and denominator by 4.
4 • 2.25 / 4 • 300 =
9 / 1200 = 3 • 3 / 3 • 400 = 3 / 400
2.25cm:3m= 3:400