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8/10 + 1/4. First find a common denominator. The lowest one is 20. You don't have to use the lowest one, but it usually makes the problem simpler. This can come in handy if you have more complex fractions to solve. So we have 8/10 = 16/20 and 1/4 = 5/20. Add them together = 21/20, which as a mixed number is 1 1/20

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12y ago

What else can I help you with?