--- /dev/null
+\version "2.19.16"
+
+\header {
+ texidoc = "The numbered time signature style prints a fraction."
+}
+
+#(ly:expect-warning "strange time signature found: 1/99999")
+#(ly:expect-warning "strange time signature found: 10/6")
+#(ly:expect-warning "strange time signature found: 8/20")
+
+\new Staff {
+ \relative d' {
+ \override Staff.TimeSignature.style = #'numbered
+ \time 1/99999 d1*1/99999
+ \time 8/20 d1*8/20
+ \time 10/6 d1*10/6
+ \time 4/4 d1
+ \time 3/4 d2.
+ \time 2/2 d1
+ \time 99999/1 d1
+ }
+}