Sarah and Risa bought a present for their father. They shared the cost equally between them. Sarah used
38 of her savings while Risa used
12 of her savings. What fraction of their total savings was left?
Each girl shared half the cost of the present. The amount that each of them spent is the same.
Make the numerators the same.
LCM of 3 and 1 is 3.
38 of Sarah's savings =
12 of Risa's savings
38 of Sarah's savings =
36 of Risa's savings
| |
Sarah |
Risa |
Total |
| Before |
8 u |
6 u |
14 u |
| Change |
- 3 u |
- 3 u |
- 6 u |
| After |
5 u |
3 u |
8 u |
Amount of savings left
= 5 u + 3 u
= 8 u
Total amount of savings at first
= 8 u + 6 u
= 14 u
Fraction of their total savings left
=
814=
47 Answer(s):
47 
