ans. 2/5 or 36/90
etc
exp .there are many formulas
the one i use is
. to cut the fraction
eg 4/10 from 2 table
ans is 2 / 5
cause 2x2=4
2×5=10
. the other one is to multiply
4/10 to any number
eg 4 ×9=36
10×9=90
= 36/90
but in both methods
you have cut or multiply by the same number
