8 1/7 + 12 7/20 — step-by-step solution

⚠ 8 1/7 is read as the mixed number 8 + 1/7

⚠ 12 7/20 is read as the mixed number 12 + 7/20

Let's evaluate:

8

+ \frac{1}{7}

+ 12

+ \frac{7}{20}

20 + \frac{1}{7} + \frac{7}{20}

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

20 + \frac{20 + 49}{140}

▶Result:

20

\frac{69}{140}

The approximate value of:

20 + \frac{69}{140}

is:

20 + \approx 0.4929

▷

\approx 20.4929