Answer:
=23/4 + 11/5
=23×5/4×5 + 11×4/5×4
=115/20 + 44/20
=(115+44)/20
=159/20
=7.95,
Answer: 3 19/20
Step-by-step explanation: 2+1=3 3/4x5=15/20 1/5x4=4/20 4/20+15/20=19/20+3= 3 19/20
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