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Add 24/15 and 45/21

1st number: 1 9/15, 2nd number: 2 3/21

24/15 + 45/21 is 131/35.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 105
  2. For the 1st fraction, since 15 × 7 = 105,
    24/15 = 24 × 7/15 × 7 = 168/105
  3. Likewise, for the 2nd fraction, since 21 × 5 = 105,
    45/21 = 45 × 5/21 × 5 = 225/105
  4. Add the two like fractions:
    168/105 + 225/105 = 168 + 225/105 = 393/105
  5. 393/105 simplified gives 131/35
  6. So, 24/15 + 45/21 = 131/35
    In mixed form: 326/35

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