Answer:

Find the least common denominator or LCM of the two denominators:

LCM of 10 and 5 is 10

Next, find the equivalent fraction of both fractional numbers with denominator 10

For the 1st fraction, since 10 × 1 = 10,

7

10

=

7 × 1

10 × 1

=

7

10

Likewise, for the 2nd fraction, since 5 × 2 = 10,

1

5

=

1 × 2

5 × 2

=

2

10

Subtract the two like fractions:

7

10

-

2

10

=

7 - 2

10

=

5

10

After reducing the fraction, the answer is

1/2

Step-by-step explanation:

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