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Add 84/15 and 98/8

1st number: 5 9/15, 2nd number: 12 2/8

84/15 + 98/8 is 357/20.

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,
    98/8 = 98 × 15/8 × 15 = 1470/120
  4. Add the two like fractions:
    672/120 + 1470/120 = 672 + 1470/120 = 2142/120
  5. 2142/120 simplified gives 357/20
  6. So, 84/15 + 98/8 = 357/20
    In mixed form: 1717/20

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