To solve fraction addition and subtraction problems, follow these steps: understand the problem, plan how to solve it, carry out the solution, and check the work. Keywords to look for that indicate addition or subtraction of fractions include terms like sum, more, together, added, and, as well as difference, take away, fewer, subtract, minus, reduce, dropped, decreased, less than, greater than, how many more, farther, left, left over, exceed, remain, and remaining.

1. To solve the problem involving addition
and subtraction of fractions, do the following
steps:
Understand
Plan
Solve
Check
Remember:

2. MATH PROBLEM
SOLVING KEYWORDS
ADDITION
sum in all
more all
together
increased by total
combine together
added to
Perimeter plus
and
SUBTRACTION
difference take away
fewer subtract
minus reduce by
dropped decreased by
less than greater than
how many more farther
left, left over exceed
remain remaining