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Add 21/28 and 36/35

1st number: 21/28, 2nd number: 1 1/35

21/28 + 36/35 is 249/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 35 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 28 × 5 = 140,
    21/28 = 21 × 5/28 × 5 = 105/140
  3. Likewise, for the 2nd fraction, since 35 × 4 = 140,
    36/35 = 36 × 4/35 × 4 = 144/140
  4. Add the two like fractions:
    105/140 + 144/140 = 105 + 144/140 = 249/140
  5. So, 21/28 + 36/35 = 249/140
    In mixed form: 1109/140

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