Answer:
10/21 = 20/42 = 30/63 = 40/84 ......
Step-by-step explanation:
10/21
Multiply both numerator and denominator by 2, then 3, 4 ....
10/21 = 10×2/21×2 = 10×3/21×3 = 10×4/ 21×4 ...........
10/21 = 20/42 = 30/63 = 40/84 ......
I hope this was helpful, please rate as brainliest
