1) 5/18 + 2/9 = 5/18 + 2*2/9*2 = 9/18 = 1/2
2) 2/3 + 1/21 = 2*7/3*7 + 1/21 = 15/21 = 5/7
3) 3/8 + 5/16 = 3*2/8*2 + 5/16 = 11/16
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
1) 5/18 + 2/9 = 5/18 + 2*2/9*2 = 9/18 = 1/2
2) 2/3 + 1/21 = 2*7/3*7 + 1/21 = 15/21 = 5/7
3) 3/8 + 5/16 = 3*2/8*2 + 5/16 = 11/16