1. Preheat oven to 375°.
2. Combine first 6 ingredients in a medium bowl, stirring with a whisk. Add apples, pears, and cranberries, stirring to coat fruit. Pour mixture into an 11 x 7-inch glass or ceramic baking dish coated with cooking spray.
3. Weigh or lightly spoon flour into dry measuring cups; level with a knife. Combine flour and remaining ingredients in a bowl, stirring to combine. Spoon flour mixture over fruit mixture. Bake at 375° for 45 minutes or until topping is golden brown. Cool 10 minutes.