Sagot :
Answer:
Sum: 17 [tex]\frac{1}{10}[/tex]
Difference: 2[tex]\frac{1}{2}[/tex] or -2[tex]\frac{1}{2}[/tex]
Step-by-step explanation:
Answer:
[tex]7 \frac{3}{10} +9 \frac{12}{15} = 7 \frac{9}{30} + 9 \frac{24}{30} = \frac{9 + 24}{30} = 16 \frac{33}{30} or \: 17 \frac{3}{30} = 17 \frac{1}{10} [/tex]