diff --git a/crates/typst-syntax/src/parser.rs b/crates/typst-syntax/src/parser.rs
index c5d13c8b3..d2b89008f 100644
--- a/crates/typst-syntax/src/parser.rs
+++ b/crates/typst-syntax/src/parser.rs
@@ -272,6 +272,7 @@ fn math_expr_prec(p: &mut Parser, min_prec: usize, stop: SyntaxKind) {
 
         SyntaxKind::Text | SyntaxKind::MathText | SyntaxKind::MathShorthand => {
             continuable = !p.at(SyntaxKind::MathShorthand)
+                && !p.current_text().chars().all(char::is_numeric)
                 && matches!(
                     math_class(p.current_text()),
                     None | Some(MathClass::Alphabetic)
diff --git a/tests/ref/issue-4828-math-number-multi-char.png b/tests/ref/issue-4828-math-number-multi-char.png
new file mode 100644
index 000000000..ff0a9bab9
Binary files /dev/null and b/tests/ref/issue-4828-math-number-multi-char.png differ
diff --git a/tests/suite/math/syntax.typ b/tests/suite/math/syntax.typ
index 7091d908c..32b9c098c 100644
--- a/tests/suite/math/syntax.typ
+++ b/tests/suite/math/syntax.typ
@@ -28,6 +28,10 @@ $ dot \ dots \ ast \ tilde \ star $
 $floor(phi.alt.)$
 $floor(phi.alt. )$
 
+--- issue-4828-math-number-multi-char ---
+// Numbers should parse the same regardless of number of characters.
+$1/2(x)$ vs. $1/10(x)$
+
 --- math-unclosed ---
 // Error: 1-2 unclosed delimiter
 $a