Mathematics problem (help me out) Find the equivalent fraction of 64/84 with
1) numerator 80
2)numerator 96
3) denominator 168
4) denominator 189

Compare :
4/7, 3/5
5/12 , 7/8
11/14, 26/35
7/26,10/39

Write 3 fractions equivalent to 5/7

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap