Question

Order these fractions and decimals from greatest to least.

Answer 1

Consider this option:
1. note, that 5/8=0.625; 4/5=0.8 and 2/3≈0.(6).
2. using the values from 1 it is possible to re-write these fractions:
0.625; 0.78; 0.64; 0.8; 0.(6)
3. finally:
0.8>0.78>0.(6)>0.64>0.625 or 
4/5 > 0.78 > 2/3 > 0.64 > 5/8