During recess, Mei Ling bought a loaf of bread from the school canteen. She ate 2/5 of it for her snack and gave 1/4 to her friend Wei Lin. What fraction of the loaf did they eat or receive altogether?
Show Worked Solution
Worked Solution
Step 1: Find the LCD of 5 and 4. LCD = 20.
Step 2: Convert 2/5 to twentieths: 2×4 / 5×4 = 8/20.
Step 3: Convert 1/4 to twentieths: 1×5 / 4×5 = 5/20.
Step 4: Add: 8/20 + 5/20 = 13/20.
Final: 13/20 of the loaf was eaten or received.
Correct answer: 13/20
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