Tag: Number

Multiplying Unit Fractions and Whole Numbers

Example Completing problems like the one above is pretty straightforward as long as both numbers can be expressed as factors. Read more →...

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Subtracting Mixed Numbers with Like Denominators

Example 1 Subtract 1 2/8 from 2 5/8. There are two ways in which this problem can be worked out. Method 1: We write out the fractions in their proper form (line 1), change the mixed numbers to improper fractions (line 2), subtract them and you have your answer (line 3 and 4). Method 2:…...

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Lowest Common Multiple

Example 1 What is the least common multiple of 18 and 12? This can be cone in one of two ways:prime factorisation and a listing of all the multiples of the numbers involved until you find the one common to them all. 1) Prime Factorisation We find the prime factor of both numbers (i.e. 18…...

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Powers of Fractions

Example 1 To solve this problem, treat the base as a whole number. Expand and multiply. Example 2 Read more →...

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Adding Fractions: Common Denominator Part 2

Adding Fractions: Common Denominator

Solve: To add these two fractions we need to find a common denominator. IT will be the LCM of 11 and 13. However, 11 and 13 don’t share a common factor so their LCM will be the product of 11 and 13. 11 x 13 = 143 Therefore: For the fraction, 4/11, since we multiplied…...

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