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Add 60/40 and 12/21

1st number: 1 20/40, 2nd number: 12/21

60/40 + 12/21 is 29/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 21 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 40 × 21 = 840,
    60/40 = 60 × 21/40 × 21 = 1260/840
  3. Likewise, for the 2nd fraction, since 21 × 40 = 840,
    12/21 = 12 × 40/21 × 40 = 480/840
  4. Add the two like fractions:
    1260/840 + 480/840 = 1260 + 480/840 = 1740/840
  5. 1740/840 simplified gives 29/14
  6. So, 60/40 + 12/21 = 29/14
    In mixed form: 21/14

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