Find the difference between the sum and product of 2 1/4 and 1 4/5

 0 is the answer

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Rewrite the fractions as improper fractions:

2 1/4 = 9/4

1 4/5 = 9/5

Rewrite the fractions to have a common denominator:

9/4 = 45/20

9/5 = 36/20

The sum is adding the two together:

45/20 + 36/20 = 81/20

Rewrite as a mixed number:

81/20 = 4 1/20

Product is multiplication:

For multiplying you can use different denominators so you can use the first improper fractions:

9/4 x 9/5 = (9x9)/(4x5) 81/20

Rewrite as a mixed number: 4 1/20

Now subtract to find the difference: 4 1/20 - 4 1/20 = 0

The difference = 0