Fraction arithmetic
What Fraction arithmetic means in Mathematics GCSE, as defined for Pearson Edexcel.
Definitions of Fraction arithmetic
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Reference: Pearson Edexcel
Adding or subtracting needs a common denominator, multiplying means multiplying numerators and denominators, and dividing means inverting the second fraction and multiplying, with answers simplified to their simplest form.
Mixed numbers are converted to improper fractions first; to multiply, multiply numerators and denominators, to divide, invert the second fraction then multiply, and to add or subtract, find a common denominator.
Topics that use Fraction arithmetic
- Number - Structure and calculation (Pearson Edexcel GCSE)
Related terms
- Base
- cancelling common factors
- Circumference
- Counting without replacement
- denominator
- equivalent fractions
- Error interval
- estimating roots
Using Fraction arithmetic in the exam
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