3. Add. a) \frac{2}{5} + \frac{4}{5} b) \frac{2}{10} + \frac{4}{10} + \frac{3}{10}
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In this case, the denominators are already the same, so we can simply add the numerators: 2 + 4 = 6. The denominator remains the same, so the sum is 6/5. Show more…
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