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Add 15/12 and 12/70

1st number: 1 3/12, 2nd number: 12/70

15/12 + 12/70 is 199/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 70 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 12 × 35 = 420,
    15/12 = 15 × 35/12 × 35 = 525/420
  3. Likewise, for the 2nd fraction, since 70 × 6 = 420,
    12/70 = 12 × 6/70 × 6 = 72/420
  4. Add the two like fractions:
    525/420 + 72/420 = 525 + 72/420 = 597/420
  5. 597/420 simplified gives 199/140
  6. So, 15/12 + 12/70 = 199/140
    In mixed form: 159/140

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