



 
We have two responses for you Hi Lisa, To add fractions we need their denominators to be equal. Thus for your problem you need to find equivalent fractions for 1/3, 1/6 and 1/12 all of which have the same denominator. With these three fractions you can use the denominator 12 since and Thus Penny
In 12 days, A digs 4 ditches, B digs 2, and C digs 1, so all together they dig 7 ditches. How long does it take them to dig 1 ditch? Claude  


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