Evaluate
\frac{79}{21}\approx 3.761904762
Factor
\frac{79}{3 \cdot 7} = 3\frac{16}{21} = 3.761904761904762
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\frac{3}{7}+\frac{9+1}{3}
Multiply 3 and 3 to get 9.
\frac{3}{7}+\frac{10}{3}
Add 9 and 1 to get 10.
\frac{9}{21}+\frac{70}{21}
Least common multiple of 7 and 3 is 21. Convert \frac{3}{7} and \frac{10}{3} to fractions with denominator 21.
\frac{9+70}{21}
Since \frac{9}{21} and \frac{70}{21} have the same denominator, add them by adding their numerators.
\frac{79}{21}
Add 9 and 70 to get 79.
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Simultaneous equation
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Limits
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