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Add 42/15 and 6/8

1st number: 2 12/15, 2nd number: 6/8

42/15 + 6/8 is 71/20.

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,
    42/15 = 42 × 8/15 × 8 = 336/120
  3. Likewise, for the 2nd fraction, since 8 × 15 = 120,
    6/8 = 6 × 15/8 × 15 = 90/120
  4. Add the two like fractions:
    336/120 + 90/120 = 336 + 90/120 = 426/120
  5. 426/120 simplified gives 71/20
  6. So, 42/15 + 6/8 = 71/20
    In mixed form: 311/20

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