Answer:

3/4×3/3 =9/12

5/6 =5/5 =25 /30

7/8×7/7 =49/56

Step-by-step explanation:

convert convert the fractions 3/4, 5/6 & 7/8 into like fractions.

3/4, 5/6, 7/8 = take the LCM of the denominators

LCM = 24

3/4 × 6/6 = 18/24

5/6 × 4/4 = 20/24

7/8 × 3/3 = 21/24

Like Fractions = 18/24, 20/24 & 21/24

Thank u. Hope it helps.