Comma Between Two Sets of Figures
The Comma
Rulebase Summary
Use a comma to separate two sets of figures that appear next to each other if they could cause confusion or misreading.
Morson's Rule 77 · p.47
Examples
✗
A. In 2022 15 employees were laid off.
✓
A. In 2022, 15 employees were laid off.
Comma separates adjacent sets of figures.
✗
A. Of the 200 50 were defective.
✓
A. Of the 200, 50 were defective.
Comma prevents misreading two numbers as one.
Style Guide References (1)
Morson's
Rule 77
Page 47