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Salsk061 [2.6K]
3 years ago
8

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

Mathematics
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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Please help me with this question!
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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 }

\text {Elizabeth = }  11 \dfrac{1}{3}  \text { years } =  11 \text { years } 4 \text { months }

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Find Total :
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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}

\text {Total = } 45 \text { years } 20 \text { months }

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

\text {Average = } 560 \text { months } \div 4

\text {Average = } 140 \text { months } \div 4

\text {Average = } 11 \text { years } 8 \text { months }

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