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Add 10/15 and 80/7

1st number: 10/15, 2nd number: 11 3/7

10/15 + 80/7 is 254/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 7 is 105

    Next, find the equivalent fraction of both fractional numbers with denominator 105
  2. For the 1st fraction, since 15 × 7 = 105,
    10/15 = 10 × 7/15 × 7 = 70/105
  3. Likewise, for the 2nd fraction, since 7 × 15 = 105,
    80/7 = 80 × 15/7 × 15 = 1200/105
  4. Add the two like fractions:
    70/105 + 1200/105 = 70 + 1200/105 = 1270/105
  5. 1270/105 simplified gives 254/21
  6. So, 10/15 + 80/7 = 254/21
    In mixed form: 122/21

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