17/20 + -9/10 -7/5 = ?
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Answer:
29/20
Step-by-step explanation:
17/20 + (-9/10) - 7/5=0
17/20 - 9/10 - 7/5=0
taking lcm of 20, 10, 5 = 20
((17×1) -(9×2)-(7×4))/20 =0
(17-18-28)/20 =0
(17-46)/20=0
29/20
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