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Order the number form 3 39/40, 3 19/20,3 19/20

2 Answers

6 votes

What order should I put it in least to greatest or greatest to least?

User Zeke Nierenberg
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1 vote

For this case we have the following mixed numbers:


3 \frac {39} {40} = \frac {3 * 40 + 39 * 1} {40} = \frac {120 + 39} {40} = \frac {159} {40} = 3.975


3 \frac {19} {20} = \frac {3 * 20 + 19 * 1} {20} = \frac {60 + 19} {20} = \frac {79} {20} = 3.95


3 \frac {19} {20} = \frac {3 * 20 + 19 * 1} {20} = \frac {60 + 19} {20} = \frac {79} {20} = 3.95

It is noted that the last two numbers are the same.

Also, it is observed that:


3.975> 3.95

Answer:

Order from highest to lowest:


3 \frac {39} {40}, 3 \frac {19} {20}

Order from least to greatest:


3 \frac {19} {20}, 3 \frac {39} {40},

User James Harr
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