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Add 42/84 and 63/5

1st number: 42/84, 2nd number: 12 3/5

42/84 + 63/5 is 131/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 5 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 84 × 5 = 420,
    42/84 = 42 × 5/84 × 5 = 210/420
  3. Likewise, for the 2nd fraction, since 5 × 84 = 420,
    63/5 = 63 × 84/5 × 84 = 5292/420
  4. Add the two like fractions:
    210/420 + 5292/420 = 210 + 5292/420 = 5502/420
  5. 5502/420 simplified gives 131/10
  6. So, 42/84 + 63/5 = 131/10
    In mixed form: 131/10

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