a little
its just using fractions but not more than once to make other fractions
say you were adding 3 / 4 to 7 / 8, if you make the denominators (lower parts) the same its easier to add the fractions, so 3 / 4 = 6 / 8, then add to 7 / 8 = 13 / 8 = one and five eighths
Make the fractions equivalent then subtract
Make both fractions fourths - 5/4 + 2/4 = 7/4 = 1 and 3/4.
2/3rds
you have to reduce it.reduce means to get smaller
Fractions make no difference to absolute values.
because...
there are three US oceans.
Yes
Oceans are bodies of water that make up the oxygen in our environment