Examples to help you on the current homework:
3/4 + 2/4 = 5/4 (improper fraction)
1 1/4 (mixed number)
3 2/3 + 1 1/7 =
3 14/21 + 1 3/21 =
4 17/21
- Change the denominators so they are the same.
- Use Butterfly method, or check to see if one is a factor of the other.)
- Add fractions, regroup if necessary.
- Add Whole numbers.
2
2 8/7 - 1 3/7=
1 5/7
- You cannot subtract 1/7-3/7
- You borrow 1 whole (7/7) from the 3 and make it a 2
- You add the original fraction (1/7) to the one you borrowed (7/7) ending up with 8/7.
- Subtract the fractions.
- Subtract the whole numbers.
