John's front lawn is 1/3 the size of his back lawn. If John mows 1/2 of his front lawn and 2/3 of his back lawn, what fraction of his lawn is left unmowed?
1. 1/6
2. 1/3
3. 3/8
4 1/2
5.5/8![]()
1. 1/6
2. 1/3
3. 3/8
4 1/2
5.5/8