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Add 70/18 and 18/7

1st number: 3 16/18, 2nd number: 2 4/7

70/18 + 18/7 is 407/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 7 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 18 × 7 = 126,
    70/18 = 70 × 7/18 × 7 = 490/126
  3. Likewise, for the 2nd fraction, since 7 × 18 = 126,
    18/7 = 18 × 18/7 × 18 = 324/126
  4. Add the two like fractions:
    490/126 + 324/126 = 490 + 324/126 = 814/126
  5. 814/126 simplified gives 407/63
  6. So, 70/18 + 18/7 = 407/63
    In mixed form: 629/63

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