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Add 70/18 and 72/84

1st number: 3 16/18, 2nd number: 72/84

70/18 + 72/84 is 299/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 84 is 252
  2. For the 1st fraction, since 18 × 14 = 252,
    70/18 = 70 × 14/18 × 14 = 980/252
  3. Likewise, for the 2nd fraction, since 84 × 3 = 252,
    72/84 = 72 × 3/84 × 3 = 216/252
  4. Add the two fractions:
    980/252 + 216/252 = 980 + 216/252 = 1196/252
  5. 1196/252 simplified gives 299/63
  6. So, 70/18 + 72/84 = 299/63
    In mixed form: 447/63

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