Add or subtract
−
4
2
7
−
(
−
4
5
7
)
\displaystyle -{4}\frac{{2}}{{7}}-{\left(-{4}\frac{{5}}{{7}}\right)}
−
4
7
2
−
(
−
4
7
5
)
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\displaystyle
Enter your answer as a reduced mixed number or as an integer. Example: 2 1/2 = 2 ½
Enter DNE for Does Not Exist, oo for Infinity