2 9/20 + 15 3/4

⚠ 2 9/20 is read as the mixed number 2 + 9/20■15 3/4 is read as the mixed number 15 + 3/4

Let's calculate:

2

+ \frac{9}{20}

+ 15

+ \frac{3}{4}

ⓘ Start from

2

and move forward

15

on the number line:

2 + 15

17

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

\frac{9}{20} + \frac{3}{4}

\frac{9 + 5 \times 3}{20}

17 + \frac{9 + 5 \times 3}{20}

ⓘ Perform multiplications before additions and subtractions:

5 \times 3

15

17 + \frac{9 + 15}{20}

ⓘ Calculate the numerator and denominator before dividing:

9 + 15

24

17 + \frac{24}{20}

ⓘ Simplify the fraction by dividing the numerator and the denominator by

4

, their greatest common divisor:

\frac{24}{20}

\frac{6 \times 4}{5 \times 4}

\frac{6}{5}

17 + \frac{6}{5}

▶Result:

18

\frac{1}{5}

ⓘ The fraction

\frac{6}{5}

is greater than 1: extract

1

from it and add it to the whole part:

17 + \frac{6}{5}

17 + \frac{5 + 1}{5}

17 + \frac{5}{5} + \frac{1}{5}

17 + 1 + \frac{1}{5}

18 + \frac{1}{5}

The numeric value of:

18 + \frac{1}{5}

is:

18 + 0.2

▷

18.2

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