What is 2 1/5 + 1 3/4
First simplify both sides:2 1/5 = 11/5 1 3/4 = 7/4Then find common denominator by multiplying denominators:4/5 = 20Times denominators by opposite denominator (do to top and bottom):7/4 = 35/20 13/5 = 44/20Then add the numerators together and leave the denominator as it is:35/20 + 44/20 = 79/20
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