explain 15 13/15 + 21 4/15 + 15 7/15 — step-by-step solution

⚠ 15 13/15 is read as the mixed number 15 + 13/15

⚠ 21 4/15 is read as the mixed number 21 + 4/15

Let's evaluate:

15

+ \frac{13}{15}

+ 21

+ \frac{4}{15}

+ 15

+ \frac{7}{15}

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

\frac{13}{15} + \frac{4}{15}

\frac{13 + 4}{15}

ℹ

15 + 21

36

36

+ \frac{13 + 4}{15}

+ 15

+ \frac{7}{15}

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

13 + 4

17

ℹ

36 + 15

51

51 + \frac{17}{15} + \frac{7}{15}

ℹ

\frac{17}{15} + \frac{7}{15}

\frac{17 + 7}{15}

51 + \frac{17 + 7}{15}

ℹ

17 + 7

24

51 + \frac{24}{15}

ⓘWe simplify the fraction by dividing the numerator and the denominator by the number

3

\frac{24}{15}

\frac{8 \times 3}{5 \times 3}

\frac{8}{5}

51 + \frac{8}{5}

ⓘThe fraction

\frac{8}{5}

is greater than 1: add its integer part

1

to the whole part:

\frac{8}{5} + 51

52 + \frac{3}{5}

▶Result:

52

\frac{3}{5}

The approximate value of:

52 + \frac{3}{5}

equals:

52 + 0.6

▷

52.6