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Add 20/21 and 70/50

1st number: 20/21, 2nd number: 1 20/50

20/21 + 70/50 is 247/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 50 is 1050
  2. For the 1st fraction, since 21 × 50 = 1050,
    20/21 = 20 × 50/21 × 50 = 1000/1050
  3. Likewise, for the 2nd fraction, since 50 × 21 = 1050,
    70/50 = 70 × 21/50 × 21 = 1470/1050
  4. Add the two fractions:
    1000/1050 + 1470/1050 = 1000 + 1470/1050 = 2470/1050
  5. 2470/1050 simplified gives 247/105
  6. So, 20/21 + 70/50 = 247/105
    In mixed form: 237/105

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