Not sure if that’s right but I hope that helps
Answer:
5 x 3 1/2 x 1 1/2
5 x 7/2 x 3/2 = 26 1/4, in decimal form: 26.25
Multiply across, but first make it all improper fractions.
14-10=? less than indicates that a minus sign is needed.
21,000+21,000=42,000
I hope it helps
See the file attached and let me know whether you understand the explanation.