What is 43/10- 3 3/5?

1 Answer
Alan P.
Mar 8, 2018

7/10

Explanation:

4 3/10 can be written as an improper fraction
color(white)("XXX")(4xx10+3)/10=43/10

3 3/5 can be written as an improper fraction
color(white)("XXX")(3xx5+3)/5=(18/5)

18/5 can be written with a denominator of 10 to match the 4 3/10=43/10 term
color(white)("XXX")(18xx2)/(5xx2)=36/10

Therefore
color(white)("XXX")4 3/10 - 3 3/5
is equivalent to
color(white)("XXX")43/10 - 36/10

color(white)("XXX")=7/10

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