div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentname-add-and-subtract-mixed-numbers-find-the-sum-31-21-add-the-fractionshtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Name Add and Subtract Mixed Numbers Find the sum 31 + 21 · Add the fractions: — + Lesson 77 Reteach 000 Write the sum as a mixed number so the fractional part is less than loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsnetreader034viewer20220427125fa4e7bfe641ee266418859chtml5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentname-add-and-subtract-mixed-numbers-find-the-sum-31-21-add-the-fractionshtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: Name Add and Subtract Mixed Numbers Find the sum 31 + 21 · Add the fractions: — + Lesson 77 Reteach 000 Write the sum as a mixed number so the fractional part is less than loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsnetreader034viewer20220427125fa4e7bfe641ee266418859chtml5thumbnails2jpg width=140 height=200 divdiv