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Add 48/21 and 5/15

1st number: 2 6/21, 2nd number: 5/15

48/21 + 5/15 is 55/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 15 is 105

    Next, find the equivalent fraction of both fractional numbers with denominator 105
  2. For the 1st fraction, since 21 × 5 = 105,
    48/21 = 48 × 5/21 × 5 = 240/105
  3. Likewise, for the 2nd fraction, since 15 × 7 = 105,
    5/15 = 5 × 7/15 × 7 = 35/105
  4. Add the two like fractions:
    240/105 + 35/105 = 240 + 35/105 = 275/105
  5. 275/105 simplified gives 55/21
  6. So, 48/21 + 5/15 = 55/21
    In mixed form: 213/21

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