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Add 84/15 and 9/8

1st number: 5 9/15, 2nd number: 1 1/8

84/15 + 9/8 is 269/40.

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,
    84/15 = 84 × 8/15 × 8 = 672/120
  3. Likewise, for the 2nd fraction, since 8 × 15 = 120,
    9/8 = 9 × 15/8 × 15 = 135/120
  4. Add the two like fractions:
    672/120 + 135/120 = 672 + 135/120 = 807/120
  5. 807/120 simplified gives 269/40
  6. So, 84/15 + 9/8 = 269/40
    In mixed form: 629/40

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