10 13/15 + 13 8/15

⚠ 10 13/15 is read as the mixed number 10 + 13/15■13 8/15 is read as the mixed number 13 + 8/15

Let's calculate:

10

+ \frac{13}{15}

+ 13

+ \frac{8}{15}

ⓘ Start from

10

and move forward

13

on the number line:

10 + 13

23

■To add fractions, put them over the same denominator, then add the numerators:

\frac{13}{15} + \frac{8}{15}

\frac{13 + 8}{15}

23 + \frac{13 + 8}{15}

ⓘ The numerator and the denominator are computed before the division:

13 + 8

21

23 + \frac{21}{15}

ⓘ Simplify the fraction by dividing the numerator and the denominator by

3

, their greatest common divisor:

\frac{21}{15}

\frac{7 \times 3}{5 \times 3}

\frac{7}{5}

23 + \frac{7}{5}

▶Result:

24

\frac{2}{5}

ⓘ The fraction

\frac{7}{5}

is greater than 1: extract

1

from it and add it to the whole part:

23 + \frac{7}{5}

23 + \frac{5 + 2}{5}

23 + \frac{5}{5} + \frac{2}{5}

23 + 1 + \frac{2}{5}

24 + \frac{2}{5}

The numeric value of:

24 + \frac{2}{5}

is:

24 + 0.4

▷

24.4

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