Fractions: unlike fractions and fraction of a number — Maths worksheet
Fractions with different denominators cannot be added straight away. First change them into equivalent fractions with the same denominator (the LCM of the two denominators): 1/2 + 1/3 = 3/6 + 2/6 = 5/6. To find a fraction of a number, divide by the denominator and multiply by the numerator: 3/4 of 20 = 20 ÷ 4 × 3 = 15.
Work it out in your head or on paper, then tap your answer — or type it and press Check. Stuck? Press “Show me how”.
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🏁 Lesson 35 test
20 sums. Check each answer, then go to the next one. Get 16 or more right to pass.
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