explain 9 4/5 + 11 3/20 — step-by-step solution

⚠ 9 4/5 is read as the mixed number 9 + 4/5

⚠ 11 3/20 is read as the mixed number 11 + 3/20

Let's evaluate:

9

+ \frac{4}{5}

+ 11

+ \frac{3}{20}

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

\frac{4}{5} + \frac{3}{20}

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

ℹ

9 + 11

20

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

ⓘMultiplications are done before additions and subtractions:

4 \times 4

16

20 + \frac{16 + 3}{20}

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

16 + 3

19

20 + \frac{19}{20}

▶Result:

20

\frac{19}{20}

The approximate value of:

20 + \frac{19}{20}

is:

20 + 0.95

▷

20.95