explain 10 11/20 + 15 3/5 — step-by-step solution

⚠ 10 11/20 is read as the mixed number 10 + 11/20

⚠ 15 3/5 is read as the mixed number 15 + 3/5

Let's calculate:

10

+ \frac{11}{20}

+ 15

+ \frac{3}{5}

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

\frac{11}{20} + \frac{3}{5}

\frac{11 + 4 \times 3}{20}

ℹ

10 + 15

25

25 + \frac{11 + 4 \times 3}{20}

ⓘMultiplications are done before additions and subtractions:

4 \times 3

12

25 + \frac{11 + 12}{20}

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

11 + 12

23

25 + \frac{23}{20}

ⓘThe fraction

\frac{23}{20}

is greater than 1: add its integer part

1

to the whole part:

\frac{23}{20} + 25

26 + \frac{3}{20}

▶Result:

26

\frac{3}{20}

The approximate value of:

26 + \frac{3}{20}

is:

26 + 0.15

▷

26.15