How do i solve this question i have a hard time borrowing mixed numbers
3 2/15 - 1 7/15
can someone show me steps dont use a calculator

When balancing a chemical equation:

Freezing and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

How many grams of magnesium metal will react completely with 8.3 liters of 5.5m hcl? show all work