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Add 21/15 and 48/7

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

21/15 + 48/7 is 289/35.

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,
    21/15 = 21 × 7/15 × 7 = 147/105
  3. Likewise, for the 2nd fraction, since 7 × 15 = 105,
    48/7 = 48 × 15/7 × 15 = 720/105
  4. Add the two like fractions:
    147/105 + 720/105 = 147 + 720/105 = 867/105
  5. 867/105 simplified gives 289/35
  6. So, 21/15 + 48/7 = 289/35
    In mixed form: 89/35

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