Answer:
-53/105
Explanation:
use 420 as the common denominator
30/70 = 180/420
56/60 = 392/420
180/420 - 392/420 = -212/420
Use 4 as the GCF (greatest common factor) to simplify the fraction
-212/420 = -53/105
Given problem,
Let's solve the given problem,
Hence, the answer is -53/105.
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