Zara and Penelope bought a present for their cousin. They shared the cost equally between them. Zara used
512 of her savings while Penelope used
18 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 5 and 1 is 5.
512 of Zara's savings =
18 of Penelope's savings
512 of Zara's savings =
540 of Penelope's savings
| |
Zara |
Penelope |
Total |
| Before |
12 u |
40 u |
52 u |
| Change |
- 5 u |
- 5 u |
- 10 u |
| After |
7 u |
35 u |
42 u |
Amount of savings left
= 7 u + 35 u
= 42 u
Total amount of savings at first
= 12 u + 40 u
= 52 u
Fraction of their total savings left
=
4252=
2126 Answer(s):
2126 
