What is 1 1/4 \div 1 2/5 ?

The solution to 1 1/4 \div 1 2/5 is 25/28

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1 1/4 \div 1 2/5

1 \frac{1}{4} \div 1 \frac{2}{5}

\frac{25}{28}

Solution steps

1 \frac{1}{4} \div 1 \frac{2}{5}

Convert mixed numbers to improper fractions:

1 \frac{1}{4} = \frac{5}{4}

= \frac{5}{4} \div 1 \frac{2}{5}

Convert mixed numbers to improper fractions:

1 \frac{2}{5} = \frac{7}{5}

= \frac{5}{4} \div \frac{7}{5}

Apply the fraction rule:

\frac{a}{b} \div \frac{c}{d} = \frac{a}{b} \times \frac{d}{c}

= \frac{5}{4} \times \frac{5}{7}

Multiply fractions:

\frac{a}{b} \times \frac{c}{d} = \frac{a \times c}{b \times d}

= \frac{5 \times 5}{4 \times 7}

Multiply the numbers:

5 \times 5 = 25

= \frac{25}{4 \times 7}

Multiply the numbers:

4 \times 7 = 28

= \frac{25}{28}

12 x^{2} + 11 x - 5

(- 3) (- 12)

8 \cdot 21

4 (a + h)^{2} - (a + h) + 3

\frac{2 ( t ^{4} ) ^{3}}{2 t ^{6}}