Simple calculation of sum of one third plus two fifths multiplied by three times five
The sum of one third plus two fifths multiplied by fifteen
15 is about 3 or 5
It becomes 5 + 6 = 11
(- one third) + (+ two fifths) calculation
=2/5-1/3=1/15
Simple calculation of 1 / 3 + 2 / 5 + 1 / 4
20/60 +24/60 +15/60 =59/60
11 out of 2-3 out of 4-5 out of 4 =? (calculation by taking off formula)
11 / 2-3 / 4-5 / 4
=11 / 2 - (3 / 4 + 5 / 4)
=11-2 out of 2
=7 / 2