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kap26 [50]
3 years ago
10

Estimate the sum 10 1/9+ 5 14/15

Mathematics
2 answers:
mezya [45]3 years ago
7 0

Answer: 16\frac{2}{45}

<u>Turn 10 1/9 into an Improper Fraction</u>

Multiply 10*9 and get 90. Now add 1 and get 91.

10\frac{1}{9} =91/9

<u>Turn 5 14/15 into an Improper Fraction</u>

Multiply 5*15 and get 75. Now add 14 and get 89.

5\frac{14}{15} =89/15

New Problem: 91/9+89/15

<u>Find Common Denominator</u>

9: 9,18,27,36,45\\15: 15,30,45,60,75\\CD=45

New Problem: 91/45+89/45

<u>Add</u>

91/45+89/45=722/45

<u>Simplify</u>

722/45=16\frac{2}{45}

cupoosta [38]3 years ago
6 0

Answer:

16 \frac{2}{45}

Step-by-step explanation:

10 \frac{1}{9}  + 5 \frac{14}{15}  \\  \frac{91}{9}  +  \frac{89}{15}  \\  \frac{91 \times 5}{9 \times 5}  +  \frac{89 \times 3}{15 \times 3}  \\  \frac{455}{45}  +  \frac{267}{45}  \\  =  \frac{722}{45}  \\  = 16 \frac{2}{45}

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