Question

how do I subtract 1 from 5/2?

Answer 1

first make denominators same

1 is same as 2/2

Answer 2

5/2-1=5/2-2/2=3/2

Answer 3

Done :)

Answer 4

why is 1 2/2?

Answer 5

1 is same as 1/1

multiply numerator and denominator with 2

2/2

Answer 6

got it?

Answer 7

so since 2 and

Answer 8

1 both have the denominator of 2 I multiple 2 to the top and bottom of 1 giving me 2/2?

Answer 9

yes

Answer 10

if instead of 1 it was a 5 then I would see what is the denominator in 2 and 5 which is 10 so my answer would be 50/10 = 5/1?

Answer 11

5/2 - 1 = 3/2 and the mixed fraction would be 1 and 1/2

Answer 12

if it wa 5 instead of 1 u multiply with 2

10/2-5/2=5/2

Answer 13

why 2?

Answer 14

because we need to make denominators same

Answer 15

the denominator of second term is 2 .So we need to make denominator of first term also 2

Answer 16

ok that makes a little bit more sense

Answer 17

:)

Answer 18

5/2 - 1 = 3/2
(3/2)

Answer 19

In General
1/a +-1/b =(1/a)(b/b)+-(1/b)(a/a) = (b+-a)/ab
Division is the inverse of Multiplication
a/a = 1 any number divided by itself is 1
Multiplicative Identity
1 time a = a any number times one is itself