The fraction 15 / 40 reduces to 3 / 8.
Start by taking out the greatest common denominator. In the case of 15 and 40, the obvious choice is 5.
Divide both part of the fraction by 5.
( 15 / 5 ) / ( 40 / 5 ) = 3 / 8
Yes. 40/15 = 8/3
It is: 3/8
21/40 cannot be reduced.
21/40 cannot be reduced.
The fraction 13/40 cannot be reduced any more.
52.80 reduced by 15% = 44.88
The reduced fraction for 40 over 64 is 5/8
The reduced fraction for 40 over 100 is 2/5
15/72 = 5/24 reduced
11/15 cannot be reduced further.
189 and 40 have no factor in common and so the fraction cannot be reduced.
19/40 is in the reduced form as there is no whole number that divides 19 and 40 evenly (remainder zero).