Question

(5/16+1/8)÷(5/4-1/12)

Answer 1

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16,8|2
8,4|2
4,2|2
2,1|2
1=16

4,12|2
2,6|2
1,3|3
1,1=12

5/16+1/8=5/16+2/16=7/16
5/4-1/12=15/12-1/12=14/12
7/16÷14/12=7/16×12/14=84/224÷2=42/112