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Answer:
- 1.) 14/15
Solution:
- 3/5 + 2/6
- = 3×6/5×6 + 2×5/6×5
- = 18/30 + 10/30
- = 28/30
- = 28÷2/30÷2
- = 14/15
Answer:
- 2.) 1/3
Solution:
- 4/6 - 1/3
- = 4/6 - 1×2/3×2
- = 4/6 - 2/6
- = 4-2/6
- = 2/6
- = 2÷2/6÷2
- = 1/3
Answer:
- 3.) 9/14
Solution:
- 1/7 + 1/2
- = 1×2/7×2 + 1×7/2×7
- = 2/14 + 7/14
- = 2+7/14
- = 9/14
Answer:
- 4.) 1/5
Solution:
- 6/10 - 2/5
- = 6/10 - 2×2/5×2
- = 6/10 - 4/10
- = 6-4/10
- = 2/10
- = 2÷2/10÷2
- = 1/5
Answer:
- 5.) 1 13/24
Solution:
- 7/8 + 2/3
- = 7×3/8×3 + 2×8/3×8
- = 21/24 + 16/24
- = 21+16/24
- = 37/24 = 1 13/24
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