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3 years ago

What is 2/3 + 3/4 or 2.3 + 3.4?

2 answers:

mote1985 [20]3 years ago

6 0

$\frac{2}{3} + \frac{3}{4}$

*Find the LCD (Least Common Denominator)
$\frac{2 * 4}{3 * 4} + \frac{3 * 3}{4 * 3}$

*Add
$\frac{8}{12} + \frac{9}{12}$
$\frac{17}{12}$

*Lastly, reduce the fraction
$\frac{17}{12} = 1\frac{5}{12}$

rodikova [14]3 years ago

3 0

2/3+3/4=17/12=1.417 This is the anwser

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$\text {Laura = } 12 \text { years } 3 \text { months }$

$\text {Lisa = } 11 \text { years } 7 \text { months }$

$\text {Deborah = } 11 \dfrac{1}{2} \text { years } = 11 \text { years } 6 \text { months }$

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$\text {Total = } 12 \text { yr } 3 \text { mth } + 11 \text { yr } 7 \text { mth } + 11 \text { yr} 6 \text { mth} +11 \text { yr } 4 \text { mth}$

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$\text {Average = } (45 \text { years } 20 \text { months }) \div 4$

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$\bf \text {Answer : Average = } 11 \text { years } 8 \text { months }$
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