How do you use models to add and subtract fractions that have different denominators?

go here it will hel you add and subtract fractions yousing models step by step

Explanation:

they had more african americans than any other state.

hope this , have a good day. c;

the steam engine.

the locomotive.

the telephone.

the telegraph.

the internal combustion engine.

the rifle.

ironclad ships.

electricity/light bulb.