12 5/16 + 20 9/10 + 18 1/20 — step-by-step solution

⚠ 12 5/16 is read as the mixed number 12 + 5/16

⚠ 20 9/10 is read as the mixed number 20 + 9/10

Let's calculate:

12

+ \frac{5}{16}

+ 20

+ \frac{9}{10}

+ 18

+ \frac{1}{20}

32

+ \frac{5}{16}

+ \frac{2 \times 9 + 1}{20}

+ 18

50 + \frac{5}{16} + \frac{18 + 1}{20}

50 + \frac{5}{16} + \frac{19}{20}

50 + \frac{5 \times 5 + 19 \times 4}{16 \times 5}

50 + \frac{25 + 76}{80}

50 + \frac{101}{80}

ⓘThe fraction

\frac{101}{80}

is greater than 1: add its integer part

1

to the whole part:

\frac{101}{80} + 50

51 + \frac{21}{80}

▶Result:

51

\frac{21}{80}

The numeric value of:

51 + \frac{21}{80}

equals:

51 + 0.2625

▷

51.2625