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Add 42/40 and 27/84

1st number: 1 2/40, 2nd number: 27/84

42/40 + 27/84 is 48/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 84 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 40 × 21 = 840,
    42/40 = 42 × 21/40 × 21 = 882/840
  3. Likewise, for the 2nd fraction, since 84 × 10 = 840,
    27/84 = 27 × 10/84 × 10 = 270/840
  4. Add the two like fractions:
    882/840 + 270/840 = 882 + 270/840 = 1152/840
  5. 1152/840 simplified gives 48/35
  6. So, 42/40 + 27/84 = 48/35
    In mixed form: 113/35

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