= (3 1/7 - 1) + 1 4/= 3 + 1/7 - 1 + 1 4/= 3 + 1/7 - 1 + 1 + 4/= 3 - 1 + 1 + 1 + 1/7 + 4/= 3 + 1 + 1/7 + 4/= 5 + 5/= 5 5/7
Therefore, (3 1/7 - 1) + 1 4/7 = 5 5/7.
= (3 1/7 - 1) + 1 4/
= 3 + 1/7 - 1 + 1 4/
= 3 + 1/7 - 1 + 1 + 4/
= 3 - 1 + 1 + 1 + 1/7 + 4/
= 3 + 1 + 1/7 + 4/
= 5 + 5/
= 5 5/7
Therefore, (3 1/7 - 1) + 1 4/7 = 5 5/7.