Answer:
9/10
Explanation:
1/2 + 2/5
Multiply the 2 and 5
your new fractions are:
5/10 + 4/10
Do the maths,
9/10.
We need a common denominator of 10
1/2 *5/5 = 5/10
2/5*2/2 = 4/10
5/10 +4/10 = 9/10
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