1.how do we change a similar fraction?
2. how do we add all similar fraction?
3. express the following fractions to the lowest term
1. 27 2. 4 3. 9 4. 3 5. 45 6. 6 7. 30 8. 45
__ = __ = __ = __ = __ = __ = __ = __ =
30 20 36 12 90 54 120 50

9. 12 10. 9
__ = __ =
20 45