Simple operation: 1 / 6 + 7 / 12 (3 / 4-1 / 6)

Simple operation: 1 / 6 + 7 / 12 (3 / 4-1 / 6)

1 / 6 + 7 / 12 (3 / 4-1 / 6)
=1 / 6 + 7 / 12 (9 / 12-2 / 12)
=1 / 6 + 7 / 12 × 12 / 7
=1 / 6 + 1
=7 out of 6