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Add 42/10 and 84/24

1st number: 4 2/10, 2nd number: 3 12/24

42/10 + 84/24 is 77/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 24 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 10 × 12 = 120,
    42/10 = 42 × 12/10 × 12 = 504/120
  3. Likewise, for the 2nd fraction, since 24 × 5 = 120,
    84/24 = 84 × 5/24 × 5 = 420/120
  4. Add the two like fractions:
    504/120 + 420/120 = 504 + 420/120 = 924/120
  5. 924/120 simplified gives 77/10
  6. So, 42/10 + 84/24 = 77/10
    In mixed form: 77/10

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