-3/5×5/7+1/2-5/7×1/10
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Answer:
For the 1st fraction, since 5 × 2 = 10,
7
5
=
7 × 2
5 × 2
=
14
10
Likewise, for the 2nd fraction, since 10 × 1 = 10,
7
10
=
7 × 1
10 × 1
=
7
10
Subtract the two fractions:
14
10
-
7
10
=
14 - 7
10
=
7
10
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