20 11/15 + 17 15/16 + 17 7/15 — step-by-step solution

⚠ 20 11/15 is read as the mixed number 20 + 11/15

⚠ 17 15/16 is read as the mixed number 17 + 15/16

Let's calculate:

20

+ \frac{11}{15}

+ 17

+ \frac{15}{16}

+ 17

+ \frac{7}{15}

37

+ \frac{11 + 7}{15}

+ \frac{15}{16}

+ 17

54 + \frac{18}{15} + \frac{15}{16}

54 + \frac{18 \times 16 + 15 \times 15}{15 \times 16}

54 + \frac{288 + 225}{240}

54 + \frac{513}{240}

54 + \frac{171}{80}

ⓘThe fraction

\frac{171}{80}

is greater than 1: add its integer part

2

to the whole part:

\frac{171}{80} + 54

56 + \frac{11}{80}

▶Result:

56

\frac{11}{80}

The approximate value of:

56 + \frac{11}{80}

is:

56 + 0.1375

▷

56.1375