Question

i need to know what the order is from least to greatest for these fractions: 11/21, 5/6, 5/2, 9/14

Answer 1

Find the LCM of the fractions:

21=3*7; 6=2*3; 14=2*7; LCM=2*3*7=42.

Now express all the fractions in 42nds: 22/42, 35/42, 105/42, 27/42.

Just compare the numerators: 22, 35,105,27.

These are easy to put in order: 22, 27, 35, 105, so now you have the order of the original numbers:

11/21, 9/14, 5/6, 5/2.