17 4/5 + 1 7/20 + 14 17/20

⚠ 17 4/5 is read as the mixed number 17 + 4/5■1 7/20 is read as the mixed number 1 + 7/20■14 17/20 is read as the mixed number 14 + 17/20

Let's evaluate:

17

+ \frac{4}{5}

+ 1

+ \frac{7}{20}

+ 14

+ \frac{17}{20}

ⓘ Start from

17

and move forward

1

on the number line:

17 + 1

18

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

\frac{4}{5} + \frac{7}{20}

\frac{4 \times 4 + 7}{20}

18

+ \frac{4 \times 4 + 7}{20}

+ 14

+ \frac{17}{20}

ⓘ Perform multiplications before additions and subtractions:

4 \times 4

16

■Start from

18

and move forward

14

on the number line:

18 + 14

32

32 + \frac{16 + 7}{20} + \frac{17}{20}

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

16 + 7

23

32 + \frac{23}{20} + \frac{17}{20}

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

\frac{23}{20} + \frac{17}{20}

\frac{23 + 17}{20}

32 + \frac{23 + 17}{20}

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

23 + 17

40

32 + \frac{40}{20}

We simplify the fraction:

\frac{40}{20}

by the common factor:

20

to get the new expression:

2

32 + 2

ⓘ Start from

32

and move forward

2

on the number line:

32 + 2

34

▶Result:

34

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