Converting decimal to a fraction to quickly calculate numbers
COMMON FRACTIONS AND THEIR DECIMAL EQUIVALENTS
1/4 = .25
2/4 = 1/2 = .5
3/4 = .75
1/5 = .2
2/5 = .4
3/5 = .6
4/5 = .8
1/6 = .1666~
2/6 = 1/3 = .333~
3/6 = 1/2 = .5
4/6 = 2/3 = .666~
5/6 = .8333~
1/8 = .125
3/8 = .375
5/8 = .625
7/8 = .875