Find the sum. Enter your answer in lowest terms in the box below as a
fraction, using the slash mark ( 7 ) for the fraction bar.
7/20
3/9
Answer here

41/60

Step-by-step explanation:

7

20

+

3

9

Cancel the common factor of

3

and

9

.

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7

20

+

1

3

To write

7

20

as a fraction with a common denominator, multiply by

3

3

.

7

20

⋅

3

3

+

1

3

To write

1

3

as a fraction with a common denominator, multiply by

20

20

.

7

20

⋅

3

3

+

1

3

⋅

20

20

Write each expression with a common denominator of

60

, by multiplying each by an appropriate factor of

1

.

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7

⋅

3

60

+

20

60

Combine the numerators over the common denominator.

7

⋅

3

+

20

60

Simplify the numerator.

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41

60

The result can be shown in multiple forms.

Exact Form:

41

60

Decimal Form:

0.68

¯

3

the least common denominatore of 7 and 2 is 9

step-by-step explanation:

7+2=9