Here is the combined Billboard Hot 100 chart history for Ariana Grande and Cardi B

Ariana Timemarks:
0:00​​ — 'Yours Truly' Era
0:50​​ — 'My Everything' Era
2:24​​ — 'Dangerous Woman' Era
4:25​​ — 'Sweetener' Era
4:5​8— 'Thank U, Next' Era
6:47​​ — 'Positions' Era

Cardi Timemarks:
3:34 — 'Invasion Of Privacy' Era
6:34​​ — '[CB2]' Era

Ariana Grande (2013 - 2021)
— 5 #1 hits
— 18 Top 10 hits
— 69 entries

Cardi B (2017 - 2021)
— 5 #1 hits
— 9 Top 10 hits
— 34 entries