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Add 15/14 and 12/20

1st number: 1 1/14, 2nd number: 12/20

15/14 + 12/20 is 117/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 20 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 14 × 10 = 140,
    15/14 = 15 × 10/14 × 10 = 150/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    12/20 = 12 × 7/20 × 7 = 84/140
  4. Add the two like fractions:
    150/140 + 84/140 = 150 + 84/140 = 234/140
  5. 234/140 simplified gives 117/70
  6. So, 15/14 + 12/20 = 117/70
    In mixed form: 147/70

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