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Add 2/15 and 81/70

1st number: 2/15, 2nd number: 1 11/70

2/15 + 81/70 is 271/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 70 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 15 × 14 = 210,
    2/15 = 2 × 14/15 × 14 = 28/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    81/70 = 81 × 3/70 × 3 = 243/210
  4. Add the two like fractions:
    28/210 + 243/210 = 28 + 243/210 = 271/210
  5. So, 2/15 + 81/70 = 271/210
    In mixed form: 161/210

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