Solve word problems that involve several fractions with unlike denominators. Use a diagram to organize the information given in the problem. Then, write and solve an expression for each step of the problem
A. Compare fractions with unlike denominators to 1/2 to estimate the sum
B. Compare fractions with unlike denominators to a missing unit to estimate the sum
C. Compare fractions with unlike denominators to estimate the difference of a mixed number minus a fraction
D. Add multiple mixed numbers and fractions
E. Solve a multi-step word problem with mixed numbers with unlike denominators (Part 1)