Answers

Add 50/84 and 60/70

50/84 + 60/70 is 61/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 70 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 84 × 5 = 420,
   50/84 = 50 × 5/84 × 5 = 250/420
3. Likewise, for the 2nd fraction, since 70 × 6 = 420,
   60/70 = 60 × 6/70 × 6 = 360/420
4. Add the two like fractions:
   250/420 + 360/420 = 250 + 360/420 = 610/420
5. 610/420 simplified gives 61/42
6. So, 50/84 + 60/70 = 61/42
   In mixed form: 119/42

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