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Add 15/20 and 80/7

1st number: 15/20, 2nd number: 11 3/7

15/20 + 80/7 is 341/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 7 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 20 × 7 = 140,
    15/20 = 15 × 7/20 × 7 = 105/140
  3. Likewise, for the 2nd fraction, since 7 × 20 = 140,
    80/7 = 80 × 20/7 × 20 = 1600/140
  4. Add the two like fractions:
    105/140 + 1600/140 = 105 + 1600/140 = 1705/140
  5. 1705/140 simplified gives 341/28
  6. So, 15/20 + 80/7 = 341/28
    In mixed form: 125/28

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