Fractions & Decimals
The LCM of 4 and 5 is 20, so we need to convert the fractions so they each have a denominator of 20.
The LCM of 8 and 3 is 24, so we need to convert each fraction to one with a denominator of 24
The LCM of 7 and 6 is 42, so we need to convert each fraction to one with a denominator of 42.
The LCM of 9 and 3 is 9. Since the first fraction already has a denominator of 9, we only need to convert the second one.