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Add 10/15 and 21/8

1st number: 10/15, 2nd number: 2 5/8

10/15 + 21/8 is 79/24.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 8 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 15 × 8 = 120,
    10/15 = 10 × 8/15 × 8 = 80/120
  3. Likewise, for the 2nd fraction, since 8 × 15 = 120,
    21/8 = 21 × 15/8 × 15 = 315/120
  4. Add the two like fractions:
    80/120 + 315/120 = 80 + 315/120 = 395/120
  5. 395/120 simplified gives 79/24
  6. So, 10/15 + 21/8 = 79/24
    In mixed form: 37/24

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