Answer:
1 - 3/4= 1/4
Explanation:
The top rectangle equals to 1 which is the Minuend (larger number that is being subtracted from) it is also highlighted in red. There is 3/4 highlighted in blue and is under the red rectangle (1). The diagram shows the difference of 1-3/4=1/4 because the 4/4 equals 1 and the last 1/4 is not highlighted so....
1 - 3/4 = 1/4