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1.Find the product of 3 1/6 x 2 1/2 2.If 3 3/5 is multiplied by 1/8,what is the result? 3.What is 4/5 x 5 3/4 =? 4.In the equation,4/8 x 2 3/4 = N,N is __? 5.What is the product of 2 3/5 x 7/9?

Sagot :

Answer:

1. 3 1/6 × 2 1/2

3×6+1/6 × 2×2+1/2

19/6 × 5/2

= 95/12 or 7 11/12

2. 3 3/5 × 1/8

3×5+3/5 × 1/8

18/5 × 1/8

18/40 ÷ 2/2

= 9/20

3. 4/5 × 5 3/4

4/5 × 5×4+3/4

4/5 × 23/4

92/20 ÷ 4/4

= 23/5 or 4 3/5

4. 4/8 × 2 3/4 = N

4/8 × 2×4+3/4 = N

4/8 × 11/4 = N

44/32 = N

44/32 ÷ 4/4 = N

11/8 or 1 3/8 = N

5. 2 3/5 × 7/9

2×5+3/5 × 7/9

13/5 × 7/9

= 91/45 or 2 1/45