The focus of the fractional application problem is to find out the total amount, determine how many parts to divide evenly, and then divide it into one point and circle it to help us understand the analysis.

1, a rope, cut off 5/6, how much is left in this rope?

2, a biscuit, Xiaodong ate 1/5, Xiaoming ate 2/5, how much did a * * * eat? How many points are left?

3.an apple. Xiao Ming ate 2/5. How much more does he eat than he does?

The worker's uncle built a full-length highway on the first day.

2/7, 3/7 of the whole length was built the next day. How much did they spend on building this road? How many parts of this road need to be repaired?

5. A bucket of peanut oil, used for the first time 1/7, used for the second time 3/7, how much is left?

6. For steel pipes, use 5/ 10 for the first time and 3/ 10 for the second time. How much was this steel pipe used less than the first time?