Subtraction of fraction with same and different denominator

1. SUBTRACTION
OF FRACTION

2. SUBTRACTION
OF FRACTIONS
WITH SAME
DENOMINATORS

3. STEPS
Write denominator
Minus numerator
Simplify
1
2
3

4. 1
4
1
4
3
4
−
1
4
=
3 − 1
4
=
2
4
=
2 ÷ 2
4 ÷ 2
EXAMPLE
𝟑
𝟒
−
𝟏
𝟒
=
𝟏)
=
1
2
Write denominator
Simplify
1
2
1
4
1
4
1
4
Minus numerator

5. 1
6
1
6
5
6
−
4
6
=
5 − 4
6
=
1
6
EXAMPLE
𝟓
𝟔
−
𝟒
𝟔
=
2)
1
6
1
6
1
6
Minus numerator
Write denominator
1
6

6. 1
5
1
5
4
5
−
3
5
=
4 − 3
5
=
1
5
EXAMPLE
𝟒
𝟓
−
𝟑
𝟓
=
3)
1
5
1
5
1
5

7. 1
7
1
7
5
7
−
3
7
=
5 − 3
7
=
2
7
EXAMPLE
𝟓
𝟕
−
𝟑
𝟕
=
4)
1
7
1
7
1
7
1
7
1
7

8. SUBTRACTION OF
FRACTIONS WITH
DIFFERENT
DENOMINATORS

9. STEPS
Make denominators same
Write denominator
Minus numerator
Simplify
1
2
3
4

10. WHY?

11. 𝟏
𝟐
−
𝟑
𝟖
=
𝟏
𝟐
𝟏
𝟐
𝟏
𝟖
𝟏
𝟖
𝟏
𝟖
𝟏
𝟖
𝟏
𝟖
𝟏
𝟖
𝟏
𝟖
𝟏
𝟖
𝟏
𝟖
𝟏
𝟖
𝟏
𝟖
𝟏
𝟖
𝟏
𝟖
𝟏
𝟖
𝟏
𝟖
𝟏
𝟖

12. STEPS
Make denominators same
Write denominator
Minus numerator
Simplify
1
2
3
4

13. EXAMPLES

14. 1
2
1
2
−
1
4
=
1
2
=
2
4
−
1
4
=
2 − 1
4
𝟏
𝟐
−
𝟏
𝟒
=
𝟏)
=
1
4
1
4
1
4
1
4
1
4
× 2
× 2
Make denominators
same
−
1
4
Write denominator
Minus numerator
1
4

15. =
4 − 3
6
4
6
−
1
2
=
4
6
=
4
6
−
3
6
𝟒
𝟔
−
𝟏
𝟐
=
2)
=
1
6
× 3
× 3
Make denominators
same
−
1
2
Write denominator
Minus numerator
1
2
1
6
1
6
1
6
1
6
1
6
1
6
1
6
1
6

16. =
5 − 3
10
1
2
−
3
10
=
1
2
=
5
10
−
3
10
𝟏
𝟐
−
𝟑
𝟏𝟎
=
3)
=
2
10
× 5
× 5
Make denominators
same
−
3
10
Write denominator
Minus numerator
1
2
1
10
1
10
1
10
1
10
1
10
1
10
1
10
1
10
1
10
1
10
=
2 ÷ 2
10 ÷ 2
Simplify
=
1
5
1
10
1
10
1
10

17. =
2 − 1
6
1
3
−
1
6
=
1
3
=
2
6
−
1
6
𝟏
𝟑
−
𝟏
𝟔
=
4)
=
1
6
× 2
× 2
Make denominators
same
−
1
6
Write denominator
Minus numerator
1
6
1
6
1
3
1
6
1
6
1
6

18. =
6 − 2
9
2
3
−
2
9
=
2
3
=
6
9
−
2
9
𝟐
𝟑
−
𝟐
𝟗
=
5)
=
4
9
× 3
× 3
Make denominators
same
−
2
9
Write denominator
Minus numerator
1
3
1
3
1
9
1
9
1
9
1
9
1
9
1
9
1
9
1
9
1
9
1
9
1
9
1
9
1
9
1
9
1
9
1
9

19. =
6 − 2
10
3
5
−
2
10
=
3
5
=
6
10
−
2
10
𝟑
𝟓
−
𝟐
𝟏𝟎
=
6)
=
4
10
× 2
× 2
Make denominators
same
−
2
10
Write denominator
Minus numerator
1
10
1
10
1
10
1
10
1
10
1
10
1
10
1
10
1
10
1
10
=
4 ÷ 2
10 ÷ 2
Simplify
=
2
5
1
10
1
5
1
5
1
5
1
10
1
10
1
10
1
10
1
10
1
5
1
5

20. 1
4
−
1
8
=
1
4
=
2
8
−
1
8
=
2 − 1
8
𝟏
𝟒
−
𝟏
𝟖
=
7)
=
1
8
× 2
× 2
Make denominators
same
−
1
8
Write denominator
Minus numerator
1
4
1
8
1
8
1
8
1
8
1
8

21. QUIZ TIME
https://wordwall.net/play/20997/269/953