First, find the LCM of the denominators—for 3 and 5, it's 15. Convert each fraction: 2/3 becomes 10/15, and 3/5 becomes 9/15. Add them to get 19/15. Now, if only balancing the shop's accounts were as neat. My father taught me this method on a quiet afternoon, using biscuit packets as examples, but the real lesson was in finding a common ground, like when I settle old uncle's chaha bill against his cricket wager.
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