13 3/4 + 21 11/15 + 1 5/7 — step-by-step solution

⚠ 13 3/4 is read as the mixed number 13 + 3/4

⚠ 21 11/15 is read as the mixed number 21 + 11/15

Let's calculate:

13

+ \frac{3}{4}

+ 21

+ \frac{11}{15}

+ 1

+ \frac{5}{7}

34

+ \frac{3}{4}

+ \frac{11}{15}

+ 1

+ \frac{5}{7}

35

+ \frac{3}{4}

+ \frac{11}{15}

+ \frac{5}{7}

35 + \frac{3 \times 15 + 11 \times 4}{4 \times 15} + \frac{5}{7}

35 + \frac{45 + 44}{60} + \frac{5}{7}

35 + \frac{89}{60} + \frac{5}{7}

35 + \frac{89 \times 7 + 5 \times 60}{60 \times 7}

35 + \frac{623 + 300}{420}

35 + \frac{923}{420}

ⓘThe fraction

\frac{923}{420}

is greater than 1: add its integer part

2

to the whole part:

\frac{923}{420} + 35

37 + \frac{83}{420}

▶Result:

37

\frac{83}{420}

The approximate value of:

37 + \frac{83}{420}

equals:

37 + \approx 0.1976

▷

\approx 37.1976