Let's Create: Analyze the following, tthen solve
1.Take 2/5 from 15/10
2.What is 9/15 less 1/3
3.Diminish 9/12 by 2/4
4.The sum of 6/9 and 1/2
5.What is the total of 14/20 and 3/5?
1.Take 2/5 from 15/10
2.What is 9/15 less 1/3
3.Diminish 9/12 by 2/4
4.The sum of 6/9 and 1/2
5.What is the total of 14/20 and 3/5?
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Answer:
1. 15/10 - 2/5
15/10 - 2×2/5×2
15/10 - 4/10
= 11/10
2. 9/15 - 1/3
9/15 - 1×5/3×5
9/15 - 5/15
= 4/15
3. 9/12 - 2/4
9/12 - 2×3/4×3
9/12 - 6/12
3/12 ÷ 3/3
= 1/4
4. 6/9 + 1/2
6/9 ÷ 3/3 + 1/2
2/3 + 1/2
2×2/3×2 + 2×3/2×3
4/6 + 5/6
9/6 ÷ 3/3
= 3/2
5. 14/20 + 3/5
14/20 ÷ 2/2 + 3/5
7/10 + 2×2/5×2
7/10 + 4/10
= 11/10