What is (3-1 1/8)\times 1 2/5 ?

The solution to (3-1 1/8)\times 1 2/5 is 2 5/8

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(3-1 1/8)\times 1 2/5

(3 - 1 \frac{1}{8}) \cdot 1 \frac{2}{5}

2 \frac{5}{8}

Solution steps

(3 - 1 \frac{1}{8}) \cdot 1 \frac{2}{5}

Convert mixed numbers to improper fractions:

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

= (3 - 1 \frac{1}{8}) \cdot \frac{7}{5}

Convert mixed numbers to improper fractions:

1 \frac{1}{8} = \frac{9}{8}

= (3 - \frac{9}{8}) \cdot \frac{7}{5}

Follow the PEMDAS order of operations

Calculate within parentheses

(3 - \frac{9}{8}) : \frac{15}{8}

= \frac{15}{8} \cdot \frac{7}{5}

Multiply and divide (left to right)

\frac{15}{8} \cdot \frac{7}{5} : \frac{21}{8}

= \frac{21}{8}

Convert improper fractions to mixed numbers:

\frac{21}{8} = 2 \frac{5}{8}

= 2 \frac{5}{8}

2 (- 1)^{2} - 3

2 (- 1)^{2} - 4

4^{2} - 6 (4)

34/5 - 15/20 + 22/20

500 \div 5 - 250 \div 25 + 72 \div 9