Add:
−
17
20
+
7
12
\displaystyle -\frac{{17}}{{20}}+\frac{{7}}{{12}}
−
20
17
+
12
7
Give your answer in reduced terms.
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\displaystyle
Enter your answer as a reduced fraction (like 5/3, not 10/6) or as an integer (like 4 or -2)
Do not enter mixed numbers
Enter DNE for Does Not Exist, oo for Infinity