Question

Subtract. 4 1/5 -2 9/10

Answer 1

Multiply by 2 on the numerator and the denominator of 4 1/5, we get 4 2/10, which is 4.2. 2 9/10 is 2.9. We subtract 4.2 - 2.9 to get 1.3, which, as a fraction, is 1 3/10.
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Hope this helps!
==jding713==

Answer 2

4 1/5 - 2 9/10 = 4 2/10 - 2 9/10 = 3 12/12 - 2 9/10 = 1 3/10. Hope this helped