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Add 70/28 and 42/30

1st number: 2 14/28, 2nd number: 1 12/30

70/28 + 42/30 is 39/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 30 is 420
  2. For the 1st fraction, since 28 × 15 = 420,
    70/28 = 70 × 15/28 × 15 = 1050/420
  3. Likewise, for the 2nd fraction, since 30 × 14 = 420,
    42/30 = 42 × 14/30 × 14 = 588/420
  4. Add the two fractions:
    1050/420 + 588/420 = 1050 + 588/420 = 1638/420
  5. After reducing the fraction, the answer is 39/10
  6. In mixed form: 39/10

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