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SIMPLIFY 5/7 -7/16+3/5 |
| 5/7-7/16+3/5 = (5×16-7×7)/7×16+3/5 = (80-49)/112+3/5 = 31/112+3/5 = (31×5+3×112)/112×5 = (155+336)/560 =451/560 |
