4/75, 2r/25, r/125

-1/x, 2/xy, x/y
1/a, 1/b

write fractions as equivalent fractions with the least common denominator

2 answers

LCD: 25*3; 25; 25*5...LCD 25*15

LCD: x, xy, y ....LCD xy

LCD: a, b.....LCD ab
-1/x,2/xy, x/y