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Add 15/10 and 15/70

1st number: 1 5/10, 2nd number: 15/70

15/10 + 15/70 is 12/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 70 is 70
  2. For the 1st fraction, since 10 × 7 = 70,
    15/10 = 15 × 7/10 × 7 = 105/70
  3. Likewise, for the 2nd fraction, since 70 × 1 = 70,
    15/70 = 15 × 1/70 × 1 = 15/70
  4. Add the two fractions:
    105/70 + 15/70 = 105 + 15/70 = 120/70
  5. 120/70 simplified gives 12/7
  6. So, 15/10 + 15/70 = 12/7
    In mixed form: 15/7

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