4. Find the sum or the difference. Simplify if needed 4 3/5 - 2 7/10
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Answer:
4 3/5-2 7/10.
4 3/5=23/5.
2 7/10=27/10.
4 3/5-2 7/10=23/5-27/10.
=46-27/10. (Because LCM of 5 & 10 is 10).
=19/10. (or). 1 9/10. (or). 1.9.
I think this is your answer.