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Add 40/21 and 98/60

1st number: 1 19/21, 2nd number: 1 38/60

40/21 + 98/60 is 743/210.

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,
    98/60 = 98 × 7/60 × 7 = 686/420
  4. Add the two like fractions:
    800/420 + 686/420 = 800 + 686/420 = 1486/420
  5. 1486/420 simplified gives 743/210
  6. So, 40/21 + 98/60 = 743/210
    In mixed form: 3113/210

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