[{"id": "ctcb00", "text": "", "content": [{"type": "content/math", "position": 0, "content": "\\large\\frac{10}{21}", "is_multiline": true}], "text_styles": [], "block_styles": []}, {"id": "1c8atc", "text": "", "content": [{"type": "content/math", "position": 0, "content": "\\large\\frac{2}{10}", "is_multiline": true}], "text_styles": [], "block_styles": []}, {"id": "l9t26f", "text": "", "content": [{"type": "content/math", "position": 0, "content": "\\large\\frac{2}{21}", "is_multiline": true}], "text_styles": [], "block_styles": []}, {"id": "rerxnh", "text": "", "content": [{"type": "content/math", "position": 0, "content": "\\large1", "is_multiline": true}], "text_styles": [], "block_styles": []}] \huge\frac{1}{3}+\frac{1}{7}=