Craig and Alissa are building a sandcastle on the beach. They each have a bucket. Craig holds 1/2 in his bucket and Alissa holds 9/10 in her bucket. How much sand can Craig and Alissa collect together one time

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Answer:

1 2/5

Step-by-step explanation:

do 1/2+9/10

(lcm) 5/10+9/10

14/10

(simplfy)7/5

mixed fraction=1 2/5