Name: Vedel Date:16916
WALT add fractions with different denominators
|
EXAMPLE:
½ + ⅔
= ½ x 3/3 + ⅔ x 2/2
= 3/6 + 4/6
= 7/6
=1 ⅙
|
Your work (Show all working - as in the example)
1. ⅓ + ¾
= ⅓ x 4/4 + ¾ x 3/3
= 4/12 + 9/12
= 13/12
= 1 1/12 ✅
2. ⅖ + ⅙
= ⅖ x 6/6 + ⅙ x 5/5
= 12/30 + 5/30
= 17/30 ✅
3. ⅗ + 2/7
= ⅗ x 7/7 + 2/7 x 5/5
= 21/35 + 10/35
= 31/35 ✅
4. ¾ + ⅙
= ¾ x 6/6 + ⅙ x 4/4
= 18/24 + 4/24
= 22/24
= 11/12 ✅
5. ⅜ + ⅓
= ⅜ x 3/3 + ⅓ x 8/8
= 9/24 + 8/24
= 17/24 ✅
6. 3/6 + ⅔
= 3/6 x 3/3 + ⅔ + 6/6
= 9/18 + 12/ 18
= 21/18
= 1 3/18 ✅
7. ⅝ + ½
= ⅝ x 2/2 + ½ x 8/8
= 10/16 + 8/16
= 18/16
= 1 2/16 ✅
8. 2/9 + 1/10
= 2/9 x 10/10 + 1/10 x 9/9
= 20/90 + 9/90
= 29/90 ✅
9. 6/8 + 3/7
= 6/8 x 7/7 + 3/7 x 8/8
= 42/56 + 24/56
= 66/56
= 1 10/56 ✅
10. 2/7 + 3/10
= 2/7 x 10/10 + 3/10 x 7/7
= 20/70 + 21/70
= 41/70 ✅
0 comments:
Post a Comment