24 9/10 + 15 5/12

⚠ 24 9/10 is read as the mixed number 24 + 9/10■15 5/12 is read as the mixed number 15 + 5/12

Let's calculate:

24

+ \frac{9}{10}

+ 15

+ \frac{5}{12}

ⓘ Start from

24

and move forward

15

on the number line:

24 + 15

39

39 + \frac{9}{10} + \frac{5}{12}

ⓘ Add fractions by using a common denominator and then adding their numerators. We choose

60

, the least common multiple of

10

and

12

. Multiplying the numerator and the denominator by the same number does not change the fraction:

\frac{9}{10} + \frac{5}{12}

\frac{9 \times 6}{10 \times 6} + \frac{5 \times 5}{12 \times 5}

\frac{9 \times 6 + 5 \times 5}{10 \times 6}

39 + \frac{9 \times 6 + 5 \times 5}{10 \times 6}

ⓘ Multiplications are done before additions and subtractions:

9 \times 6

54

5 \times 5

25

ⅰ

10 \times 6

60

39 + \frac{54 + 25}{60}

ⓘ Calculate the numerator and denominator before dividing:

54 + 25

79

39 + \frac{79}{60}

▶Result:

40

\frac{19}{60}

ⓘ Since the fraction

\frac{79}{60}

exceeds 1, take

1

out of it and add it to the whole part:

39 + \frac{79}{60}

39 + \frac{60 + 19}{60}

39 + \frac{60}{60} + \frac{19}{60}

39 + 1 + \frac{19}{60}

40 + \frac{19}{60}

The numeric value of:

40 + \frac{19}{60}

equals:

40 + \approx 0.3167

▷

\approx 40.3167

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