diff --git a/crates/typst-syntax/src/parser.rs b/crates/typst-syntax/src/parser.rs
index c5d13c8b3..ecd0d78a5 100644
--- a/crates/typst-syntax/src/parser.rs
+++ b/crates/typst-syntax/src/parser.rs
@@ -271,11 +271,9 @@ fn math_expr_prec(p: &mut Parser, min_prec: usize, stop: SyntaxKind) {
         }
 
         SyntaxKind::Text | SyntaxKind::MathText | SyntaxKind::MathShorthand => {
-            continuable = !p.at(SyntaxKind::MathShorthand)
-                && matches!(
-                    math_class(p.current_text()),
-                    None | Some(MathClass::Alphabetic)
-                );
+            // `a(b)/c` parses as `(a(b))/c` if `a` is continuable.
+            continuable = math_class(p.current_text()) == Some(MathClass::Alphabetic)
+                || p.current_text().chars().all(char::is_alphabetic);
             if !maybe_delimited(p) {
                 p.eat();
             }
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/ref/math-frac-precedence.png b/tests/ref/math-frac-precedence.png
index 973c433e2..fd16f2e6b 100644
Binary files a/tests/ref/math-frac-precedence.png and b/tests/ref/math-frac-precedence.png differ
diff --git a/tests/suite/math/frac.typ b/tests/suite/math/frac.typ
index 7f513930a..3bd00eab2 100644
--- a/tests/suite/math/frac.typ
+++ b/tests/suite/math/frac.typ
@@ -37,8 +37,8 @@ $ 1/2/3 = (1/2)/3 = 1/(2/3) $
 // Test precedence.
 $ a_1/b_2, 1/f(x), zeta(x)/2, "foo"[|x|]/2 \
   1.2/3.7, 2.3^3.4 \
-  🏳️‍🌈[x]/2, f [x]/2, phi [x]/2, 🏳️‍🌈 [x]/2 \
-  +[x]/2, 1(x)/2, 2[x]/2 \
+  f [x]/2, phi [x]/2 \
+  +[x]/2, 1(x)/2, 2[x]/2, 🏳️‍🌈[x]/2 \
   (a)b/2, b(a)[b]/2 \
   n!/2, 5!/2, n !/2, 1/n!, 1/5! $
 
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