Joshua had 3/8 of a cup of flour. She used one half of it to make a cake. How much flour did she use?

1 Answer
Nov 11, 2016

She used #3/16# of a cup of flour

Explanation:

You need to find out what half of #3/8# is.

You can do this by using fractions: #" "1/2 xx 3/8#

Or you can write it as a division: #" "3/8 div 2#

The maths ends up being the same, but the way you decide on what to do differs.

"Half of #3/8#"#color(white)(xxxxxxxxxxxxxxxxxxx)#"Divide by 2"

#1/2 xx3/8color(white)(xxxxxxxxxxxxxxxxxxxxxxx) 3/8 div 2#

=#3/16color(white)(xxxxxxxxxxxxxxxxxxxxxxx)=3/8 xx1/2#

#color(white)(xxxxxxxxxxxxxxxxxxxxxxxxxx)=3/16#