explain 3/8+3/20 — step-by-step solution

Let's evaluate:

\frac{3}{8} + \frac{3}{20}

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

\frac{3 \times 5 + 3 \times 2}{8 \times 5}

ⓘMultiplications are done before additions and subtractions:

3 \times 5

15

ℹ

3 \times 2

6

‖

8 \times 5

40

\frac{15 + 6}{40}

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

15 + 6

21

▶Result:

\frac{21}{40}

The approximate value of:

\frac{21}{40}

is:

▷

0.525