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Add 80/35 and 1/21

1st number: 2 10/35, 2nd number: 1/21

80/35 + 1/21 is 7/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 21 is 105

    Next, find the equivalent fraction of both fractional numbers with denominator 105
  2. For the 1st fraction, since 35 × 3 = 105,
    80/35 = 80 × 3/35 × 3 = 240/105
  3. Likewise, for the 2nd fraction, since 21 × 5 = 105,
    1/21 = 1 × 5/21 × 5 = 5/105
  4. Add the two like fractions:
    240/105 + 5/105 = 240 + 5/105 = 245/105
  5. 245/105 simplified gives 7/3
  6. So, 80/35 + 1/21 = 7/3
    In mixed form: 21/3

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