Answer:
5/9 +3/7-4/7-20/9
Step-by-step explanation:
take LCM of denominator and solve it
Answer:
-38/21
Step-by-step explanation:
5/9 + 3/7 + 4/7 - 20/9
5/9 - 20/9 - 4/7 + 3/7
-15/9 - 1/7
-5/3 - 1/7 (simplification)
-35/21 - 3/21 (equalling Denominator by LCM)
-38/21
