What is 30/24 \times 8-20 ?

The solution to 30/24 \times 8-20 is -10

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30/24 \times 8-20

\frac{30}{24} \cdot 8 - 20

- 10

Solution steps

\frac{30}{24} \cdot 8 - 20

\frac{30}{24} = \frac{5}{4}

Cancel the common factor:

6

\frac{5}{4}

= \frac{5}{4} \cdot 8 - 20

Follow the PEMDAS order of operations

Multiply and divide (left to right)

\frac{5}{4} \cdot 8 : 10

\frac{5}{4} \cdot 8

Convert element to fraction:

8 = \frac{8}{1}

= \frac{5}{4} \cdot \frac{8}{1}

Apply the fraction rule:

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

= \frac{5 \cdot 8}{4 \cdot 1}

Cancel

\frac{5 \cdot 8}{4 \cdot 1} : 10

\frac{5 \cdot 8}{4 \cdot 1}

Multiply the numbers:

4 \cdot 1 = 4

= \frac{5 \cdot 8}{4}

Divide the numbers:

\frac{8}{4} = 2

= 5 \cdot 2

Multiply the numbers:

5 \cdot 2 = 10

= 10

= 10

= 10 - 20

Add and subtract (left to right)

10 - 20 : - 10

10 - 20

10 - 20 = - 10

= - 10

= - 10

40 \div 2 + (6^{2} \times 2)

- (- 3)^{2} + 9 (- 3) + 11

15 - 12 \div (- 3) \times 2

(- 8) + 5 + 4 + (- 2)

3 - 7 - 5