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The sum is \( \frac{9}{10} \) or 0.9.
Solución
Calculate or simplify the expression \( \frac{2}{5}+\frac{1}{2} \).
Calculate the value by following steps:
- step0: Calculate:
\(\frac{2}{5}+\frac{1}{2}\)
- step1: Reduce fractions to a common denominator:
\(\frac{2\times 2}{5\times 2}+\frac{5}{2\times 5}\)
- step2: Multiply the numbers:
\(\frac{2\times 2}{10}+\frac{5}{2\times 5}\)
- step3: Multiply the numbers:
\(\frac{2\times 2}{10}+\frac{5}{10}\)
- step4: Transform the expression:
\(\frac{2\times 2+5}{10}\)
- step5: Multiply the numbers:
\(\frac{4+5}{10}\)
- step6: Add the numbers:
\(\frac{9}{10}\)
The sum of \( \frac{2}{5} \) and \( \frac{1}{2} \) is \( \frac{9}{10} \) or 0.9.
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Simplifique esta solución Bonus Knowledge
To add \( \frac{2}{5} \) and \( \frac{1}{2} \), we need a common denominator. The least common multiple of 5 and 2 is 10. Convert \( \frac{2}{5} \) to \( \frac{4}{10} \) and \( \frac{1}{2} \) to \( \frac{5}{10} \). Now you can add them: \[ \frac{4}{10} + \frac{5}{10} = \frac{9}{10} \] So, \( \frac{2}{5}+\frac{1}{2} = \frac{9}{10} \). Adding fractions can be a breeze if you keep your eye on the denominator! A common mistake is to add the numerators and the denominators separately, which will lead to incorrect results. Make sure to find that common denominator first, and you'll be all set!
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