explain 15 11/20 + 12 1/10 + 2 7/20 — step-by-step solution

⚠ 15 11/20 is read as the mixed number 15 + 11/20

⚠ 12 1/10 is read as the mixed number 12 + 1/10

Let's calculate:

15

+ \frac{11}{20}

+ 12

+ \frac{1}{10}

+ 2

+ \frac{7}{20}

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

\frac{11}{20} + \frac{1}{10}

\frac{11 + 2}{20}

ℹ

15 + 12

27

27

+ \frac{11 + 2}{20}

+ 2

+ \frac{7}{20}

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

11 + 2

13

ℹ

27 + 2

29

29 + \frac{13}{20} + \frac{7}{20}

ℹ

\frac{13}{20} + \frac{7}{20}

\frac{13 + 7}{20}

29 + \frac{13 + 7}{20}

ℹ

13 + 7

20

29 + \frac{20}{20}

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

20

\frac{20}{20}

\frac{1 \times 20}{1 \times 20}

\frac{1}{1}

29 + 1

▶Result:

30