1 4/5 + 17 3/20

⚠ 1 4/5 is read as the mixed number 1 + 4/5■17 3/20 is read as the mixed number 17 + 3/20

Let's evaluate:

1

+ \frac{4}{5}

+ 17

+ \frac{3}{20}

ⓘ Start from

1

and move forward

17

on the number line:

1 + 17

18

■Add fractions by using a common denominator and then adding their numerators:

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

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

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

ⓘ Multiplications are done before additions and subtractions:

4 \times 4

16

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

ⓘ Calculate the numerator and denominator before dividing:

16 + 3

19

18 + \frac{19}{20}

▶Result:

18

\frac{19}{20}

The numeric value of:

18 + \frac{19}{20}

is:

18 + 0.95

▷

18.95

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