13 11/20 + 21 3/20 + 8 7/10 — step-by-step solution

⚠ 13 11/20 is read as the mixed number 13 + 11/20

⚠ 21 3/20 is read as the mixed number 21 + 3/20

Let's calculate:

13

+ \frac{11}{20}

+ 21

+ \frac{3}{20}

+ 8

+ \frac{7}{10}

34

+ \frac{11 + 3}{20}

+ 8

+ \frac{7}{10}

42 + \frac{14}{20} + \frac{7}{10}

42 + \frac{14 + 7 \times 2}{20}

42 + \frac{14 + 14}{20}

42 + \frac{28}{20}

42 + \frac{7}{5}

ⓘThe fraction

\frac{7}{5}

is greater than 1: add its integer part

1

to the whole part:

\frac{7}{5} + 42

43 + \frac{2}{5}

▶Result:

43

\frac{2}{5}

The numeric value of:

43 + \frac{2}{5}

is:

43 + 0.4

▷

43.4