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Add 49/21 and 18/40

1st number: 2 7/21, 2nd number: 18/40

49/21 + 18/40 is 167/60.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 21 × 40 = 840,
    49/21 = 49 × 40/21 × 40 = 1960/840
  3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
    18/40 = 18 × 21/40 × 21 = 378/840
  4. Add the two like fractions:
    1960/840 + 378/840 = 1960 + 378/840 = 2338/840
  5. 2338/840 simplified gives 167/60
  6. So, 49/21 + 18/40 = 167/60
    In mixed form: 247/60

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