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Add 15/70 and 84/7

1st number: 15/70, 2nd number: 12 0/7

15/70 + 84/7 is 171/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 7 is 70

    Next, find the equivalent fraction of both fractional numbers with denominator 70
  2. For the 1st fraction, since 70 × 1 = 70,
    15/70 = 15 × 1/70 × 1 = 15/70
  3. Likewise, for the 2nd fraction, since 7 × 10 = 70,
    84/7 = 84 × 10/7 × 10 = 840/70
  4. Add the two like fractions:
    15/70 + 840/70 = 15 + 840/70 = 855/70
  5. 855/70 simplified gives 171/14
  6. So, 15/70 + 84/7 = 171/14
    In mixed form: 123/14

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