Math: HCF, LCM, Cube Roots, Fractions and more

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Questions and Answers

What is the result of adding $-15$ and $28$?

13

Find the least common multiple (LCM) of $12$, $18$, and $24$.

72

Determine the highest common factor (HCF) of $36$ and $48$.

12

Write $0.125$ as a fraction in its simplest form.

<p>1/8</p> Signup and view all the answers

What is the cube of $13$?

<p>2197</p> Signup and view all the answers

Calculate the cube root of $\frac{27}{64}$ (a fraction).

<p>3/4</p> Signup and view all the answers

Add $-32$ and $14$.

<p>-18</p> Signup and view all the answers

Find the LCM of $20$, $25$, and $30$.

<p>300</p> Signup and view all the answers

Determine the HCF of $50$, $75$, and $100$.

<p>25</p> Signup and view all the answers

Flashcards

Adding -15 and 28

The result of adding -15 and 28 is 13.

LCM of 12, 18, 24

The least common multiple (LCM) of 12, 18, and 24 is 72.

HCF of 36 and 48

The highest common factor (HCF) of 36 and 48 is 12.

0.125 as a fraction

0.125 as a fraction in simplest form is 1/8.

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Cube of 8

The cube of 8 (8³) is 512.

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Cube root of 2744

The cube root of 2,744 is 14.

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Subtract -19 from -7

Subtracting -19 from -7 results in 12.

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LCM of 16, 24, 32

The least common multiple (LCM) of 16, 24, and 32 is 96.

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HCF of 45, 60, 75

The highest common factor (HCF) of 45, 60, and 75 is 15.

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3/8 as a decimal

3/8 as a decimal is 0.375.

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Study Notes

  • Adding -15 and 28 results in 13.
  • The least common multiple (LCM) of 12, 18, and 24 is 72.
  • The highest common factor (HCF) of 36 and 48 is 12.
    1. 125 written as a fraction in its simplest form is 1/8.
  • The cube of 8 is 512.
  • The cube root of 2,744 is 14.
  • Subtracting -19 from -7 equals 12.
  • The LCM of 16, 24, and 32 is 96.
  • The HCF of 45, 60, and 75 is 15.
  • 3/8 converted into a decimal is 0.375.
  • The cube of 13 is 2,197.
  • The cube root of 27/64 is 3/4.
  • Adding -32 and 14 equals -18.
  • The LCM of 20, 25, and 30 is 300.
  • The HCF of 50, 75, and 100 is 25.
    1. 04 written as a fraction in its simplest form is 1/25.
  • The cube of 1.1 is 1.331.
  • The cube root of 1,000 is 10.
  • Dividing -81 by -9 equals 9.
  • The LCM of 5, 12, and 20 is 60.

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