What is 15-4\div 1/4+2 ?

The solution to 15-4\div 1/4+2 is 1

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15-4\div 1/4+2

15 - 4 \div \frac{1}{4} + 2

1

Solution steps

15 - 4 \div \frac{1}{4} + 2

Follow the PEMDAS order of operations

Multiply and divide (left to right)

4 \div \frac{1}{4} : 16

4 \div \frac{1}{4}

Convert element to fraction:

4 = \frac{4}{1}

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

Apply the fraction rule:

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

= \frac{4}{1} \cdot \frac{4}{1}

Apply rule

\frac{a}{1} = a

= 4 \cdot 4

Multiply the numbers:

4 \cdot 4 = 16

= 16

= 15 - 16 + 2

Add and subtract (left to right)

15 - 16 + 2 : 1

15 - 16 + 2

15 - 16 = - 1

= - 1 + 2

- 1 + 2 = 1

= 1

= 1

2^{0} - 3

\frac{1}{3} (- 2) + 2

3 \cdot 10 + 3 + 10 \cdot 3^{2}

9^{2} + 8^{2}

(21 \div 7 + 2) \div 5 + 2 \cdot 3 - 4