5 7/15 + 21 8/15

⚠ 5 7/15 is read as the mixed number 5 + 7/15■21 8/15 is read as the mixed number 21 + 8/15

Let's evaluate:

5

+ \frac{7}{15}

+ 21

+ \frac{8}{15}

ⓘ Start from

5

and move forward

21

on the number line:

5 + 21

26

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

\frac{7}{15} + \frac{8}{15}

\frac{7 + 8}{15}

26 + \frac{7 + 8}{15}

ⓘ Calculate the numerator and denominator before dividing:

7 + 8

15

26 + \frac{15}{15}

ⓘ We simplify the fraction by dividing the numerator and the denominator by

15

, their greatest common divisor:

\frac{15}{15}

1

26 + 1

ⓘ Start from

26

and move forward

1

on the number line:

26 + 1

27

▶Result:

27

100% free