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Add 75/28 and 15/70

1st number: 2 19/28, 2nd number: 15/70

75/28 + 15/70 is 81/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 70 is 140
  2. For the 1st fraction, since 28 × 5 = 140,
    75/28 = 75 × 5/28 × 5 = 375/140
  3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
    15/70 = 15 × 2/70 × 2 = 30/140
  4. Add the two fractions:
    375/140 + 30/140 = 375 + 30/140 = 405/140
  5. 405/140 simplified gives 81/28
  6. So, 75/28 + 15/70 = 81/28
    In mixed form: 225/28

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