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# Bindu used 2/3 cups of sugar for baking a cake and 3/4 cups of sugar to make cookies. What is the total amount of sugar she used?

Total sugar = 2/3 + 3/4
LCM of 3 and and 4 is 12
2/3 = 8/12 (2 X 4 = 8, 3,X 4 = 12)
3/4 = 9/12 (3 X 3 = 9, 4 X 3 = 12)
2/3 + 3/4 = 8/12 + 9/12 = 17/12 = 12/12 + 5/12 = 1 and 5/12 cups of sugar
edited Feb 7, 2014 by fingeazy