Betty and Lucy bought a present for their nephew. They shared the cost equally between them. Betty used
37 of her savings while Lucy used
57 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 5 is 15.
37 of Betty's savings =
57 of Lucy's savings
1535 of Betty's savings =
1521 of Lucy's savings
| |
Betty |
Lucy |
Total |
| Before |
35 u |
21 u |
56 u |
| Change |
- 15 u |
- 15 u |
- 30 u |
| After |
20 u |
6 u |
26 u |
Amount of savings left
= 20 u + 6 u
= 26 u
Total amount of savings at first
= 35 u + 21 u
= 56 u
Fraction of their total savings left
=
2656=
1328 Answer(s):
1328 
