### Home > MC2 > Chapter 2 > Lesson 2.3.3 > Problem 2-119

2-119.

Copy each expression and then simplify it without using a calculator. Be sure to show all steps.

This sum can be represented with a diagram: **Diagram expression with 2 equal sized rectangles: Left Rectangle + Right Rectangle. Left rectangle, 4 rows of 2 columns, with 5 shaded. Right Rectangle, 4 rows of 4 columns, with 9 shaded.**

Find a common denominator to add the two fractions. **Changes: additional columns added to left rectangle, to make it 4 rows of 4 columns, with 10 shaded.**

**Changes: After right rectangle, an equal sign and the fraction 19 sixteenths.**

See part (a) for strategy.

Draw **8 square tiles. **

Cross off