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Add 84/15 and 12/40

1st number: 5 9/15, 2nd number: 12/40

84/15 + 12/40 is 59/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 40 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 40 × 3 = 120,
    12/40 = 12 × 3/40 × 3 = 36/120
  4. Add the two like fractions:
    672/120 + 36/120 = 672 + 36/120 = 708/120
  5. 708/120 simplified gives 59/10
  6. So, 84/15 + 12/40 = 59/10
    In mixed form: 59/10

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