diff --git a/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/DecimalItem.php b/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/DecimalItem.php
index b46cfc7..237b973 100644
--- a/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/DecimalItem.php
+++ b/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/DecimalItem.php
@@ -94,6 +94,19 @@ public function storageSettingsForm(array &$form, FormStateInterface $form_state
   /**
    * {@inheritdoc}
    */
+  public function fieldSettingsForm(array $form, FormStateInterface $form_state) {
+    $element = parent::fieldSettingsForm($form, $form_state);
+    $settings = $this->getSettings();
+
+    $element['min']['#step'] = pow(0.1, $settings['scale']);
+    $element['max']['#step'] = pow(0.1, $settings['scale']);
+
+    return $element;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
   public function preSave() {
     $this->value = round($this->value, $this->getSetting('scale'));
   }
diff --git a/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/FloatItem.php b/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/FloatItem.php
index 695e40b..1ac99f7 100644
--- a/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/FloatItem.php
+++ b/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/FloatItem.php
@@ -9,6 +9,7 @@
 
 use Drupal\Core\Field\FieldDefinitionInterface;
 use Drupal\Core\Field\FieldStorageDefinitionInterface;
+use Drupal\Core\Form\FormStateInterface;
 use Drupal\Core\TypedData\DataDefinition;
 
 /**
@@ -51,6 +52,18 @@ public static function schema(FieldStorageDefinitionInterface $field_definition)
   /**
    * {@inheritdoc}
    */
+  public function fieldSettingsForm(array $form, FormStateInterface $form_state) {
+    $element = parent::fieldSettingsForm($form, $form_state);
+
+    $element['min']['#step'] = 'any';
+    $element['max']['#step'] = 'any';
+
+    return $element;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
   public static function generateSampleValue(FieldDefinitionInterface $field_definition) {
     $settings = $field_definition->getSettings();
     $precision = rand(10, 32);