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Add 70/21 and 70/50

1st number: 3 7/21, 2nd number: 1 20/50

70/21 + 70/50 is 71/15.

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,
    70/21 = 70 × 50/21 × 50 = 3500/1050
  3. Likewise, for the 2nd fraction, since 50 × 21 = 1050,
    70/50 = 70 × 21/50 × 21 = 1470/1050
  4. Add the two fractions:
    3500/1050 + 1470/1050 = 3500 + 1470/1050 = 4970/1050
  5. 4970/1050 simplified gives 71/15
  6. So, 70/21 + 70/50 = 71/15
    In mixed form: 411/15

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