Try another version of this question Add: `- 13/15 + 11/21` Give your answer in reduced terms. Box 1: 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 numbersEnter DNE for Does Not Exist, oo for Infinity `-12/35`
Try another version of this question
Box 1: 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 numbersEnter DNE for Does Not Exist, oo for Infinity