CANT DO IT i nd herlp For numbers 14a-14d, tell which expressions require you to rename mixed numbers before you can subtract.

14a. LaTeX: 5\frac{2}{5}-2\frac{1}{4}5 2 5 − 2 1 4
[ Select ]

14b. LaTeX: 5\:-\:2\frac{7}{8}5 − 2 7 8
[ Select ]

14c. LaTeX: 7\frac{2}{3}\:\:-\:6\frac{1}{8}7 2 3 − 6 1 8
[ Select ]

14d. LaTeX: 9\frac{1}{6}-5\frac{2}{3}9 1 6 − 5 2 3
[ Select ]