Lesson After going through this lesson, you are expected to solve routine and non-routine problems involving addition and subtraction of frac- tions using appropriate problem-solving strategies and tools. Learning Task 1. Find the sum or difference. Express each answer in lowest term. Write your answer in your notebook. 4 8 OO IN = 10 24 5 12. colo 8 12 + 28 28 - 40 56 10 28 = wla 10 2 12 = 18 28 16 18 12 18 28 ola 15 27 10 36 D Study the problem. Look for the solution. Marlon has Php 720.00. He spent 2/3 of it on a ballpen and Php 90.00 on a drink. How much money did he have left?​