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Add 40/21 and 49/60

1st number: 1 19/21, 2nd number: 49/60

40/21 + 49/60 is 381/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 60 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 21 × 20 = 420,
    40/21 = 40 × 20/21 × 20 = 800/420
  3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
    49/60 = 49 × 7/60 × 7 = 343/420
  4. Add the two like fractions:
    800/420 + 343/420 = 800 + 343/420 = 1143/420
  5. 1143/420 simplified gives 381/140
  6. So, 40/21 + 49/60 = 381/140
    In mixed form: 2101/140

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