explain 3/4-7/20 — step-by-step solution

Let's evaluate:

\frac{3}{4} - \frac{7}{20}

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

\frac{3 \times 5 - 7}{20}

ⓘMultiplications are done before additions and subtractions:

3 \times 5

15

\frac{15 - 7}{20}

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

15 - 7

8

\frac{8}{20}

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

4

\frac{8}{20}

\frac{2 \times 4}{5 \times 4}

\frac{2}{5}

▶Result:

\frac{2}{5}

The numeric value of:

\frac{2}{5}

equals:

▷

0.4