Subtract the sum of 1 whole 7/10 and 2 whole 1/5 from 5
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fine ok ha ha.................
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1 7/10+ 2 1/5
=17/10 + 11/5
= Lcm of 10, 5 is 10
17/10 + 11/5 (multiply 2 to numerator and denominator)
17/10+22/10=39/10
5-39/10
5/1-39/10
lcm=10
50/10-39/10
11/10
1 whole 1/10
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