Twenty one twenty fifths can be written as a fraction as 21/25.
4/50 minus 3/5 is -13/25
5 is 25 fifths, 3 x 4 fifths is 12 fifths so difference is 13 fifths or 2.6 or two and three fifths.
25 + 16 - 13 - 21 = 7
7/5 x 3/5 is 21/25
You have x+4=25 so you minus the four from four and you minus the four from the 25 . and then you get 21 so it is x=21
25/30 - 24/30 = 1/30
That depends on the plus or minus value of 25 but --21 is the same as +21
7/15 - 6/25 = 17/75
Expressed as a proper fraction in its simplest form, by dividing both the numerator and denominator by 4, 84/100 is equal to 21/25 or twenty-one twenty-fifths.
That depends on the plus or minus value of 25 but --21 is the same as +21
They are: 25 minus 4 = 21