Question

(1 2/15+3 4/15)-2 8/15

Answer 1

(1 2/15+3 4/15)-2 8/15=1 13/15
1)1 2/15+3 4/15=4 6/15
2)4 6/15-2 8/15=3 21/15-2 8/15=1 13/15

Answer 2

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