That is 1/2 tsp.
1 subtracted by 3 and one half = -2
3 tsp 1 oz = 6 tsp 1 tsp = 0.16 oz
3 tsp 1 oz = 6 tsp 1 tsp = 0.16 oz
A quarter tsp.
4 1/2 - 9 = -4 1/2 (negative four and a half)
1/2 - 7/8 = -0.375
1 and 1/8 tsp.
Half cup and 1/8 cup
half a tsp is 2.5 ml so a full tsp is 5 ml
3/6 - 2/6 = 1/6
0.8
9 tsp