29/10/2025
Lesson on mathematics for primary 4
Topic: Addition of fractions
Examples : Add the following fractions
1. 5/6+3/5
2. 4/6+ 3/9
solution
firstly find the LCM of 6 and 5
which is 30.
Second divide 30÷6=5
Thirdly divide 30÷5=6
then use 5 to multiply 6 which is 30. use 6 to multiply 5 which is 30 also.
30 +30/30=60/30 which is 1/2