Answers

Add 50/84 and 80/90

50/84 + 80/90 is 187/126.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 90 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 84 × 15 = 1260,
   50/84 = 50 × 15/84 × 15 = 750/1260
3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
   80/90 = 80 × 14/90 × 14 = 1120/1260
4. Add the two like fractions:
   750/1260 + 1120/1260 = 750 + 1120/1260 = 1870/1260
5. 1870/1260 simplified gives 187/126
6. So, 50/84 + 80/90 = 187/126
   In mixed form: 161/126

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