Tri-Fractional Operations: How to Add and Subtract Three Fractions with Different Denominators
TL;DR: Three fractions, three different denominators — it sounds like more work, but the playbook is the same as for two. Find one common denominator that fits all three, rewrite each fraction with it, then combine the numerators from left to right. Simplify at the end. The only new step is making sure your common […]