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Add 20/15 and 6/7

1st number: 1 5/15, 2nd number: 6/7

20/15 + 6/7 is 46/21.

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,
    20/15 = 20 × 7/15 × 7 = 140/105
  3. Likewise, for the 2nd fraction, since 7 × 15 = 105,
    6/7 = 6 × 15/7 × 15 = 90/105
  4. Add the two like fractions:
    140/105 + 90/105 = 140 + 90/105 = 230/105
  5. 230/105 simplified gives 46/21
  6. So, 20/15 + 6/7 = 46/21
    In mixed form: 24/21

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