7/8 , 9/10, 16/20
what's the ascending order?
we now that
8=2^3
10=2*5
20=(2^2)*5
Lcm=40
so
Multiply the fraction 7/8 by 5/5
7/8*(5/5)=35/40
Multiply the fraction 9/10 by 4/4
9/10*(4/4)=36/40
Multiply the fraction 16/20 by 2/2
16/20*(2/2)=32/40
Compare the fractions
32/40 < 35/40 < 36/40
therefore
