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Add 70/18 and 21/49

1st number: 3 16/18, 2nd number: 21/49

70/18 + 21/49 is 272/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 49 is 882
  2. For the 1st fraction, since 18 × 49 = 882,
    70/18 = 70 × 49/18 × 49 = 3430/882
  3. Likewise, for the 2nd fraction, since 49 × 18 = 882,
    21/49 = 21 × 18/49 × 18 = 378/882
  4. Add the two fractions:
    3430/882 + 378/882 = 3430 + 378/882 = 3808/882
  5. 3808/882 simplified gives 272/63
  6. So, 70/18 + 21/49 = 272/63
    In mixed form: 420/63

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