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Add 36/21 and 20/49

1st number: 1 15/21, 2nd number: 20/49

36/21 + 20/49 is 104/49.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 49 is 147
  2. For the 1st fraction, since 21 × 7 = 147,
    36/21 = 36 × 7/21 × 7 = 252/147
  3. Likewise, for the 2nd fraction, since 49 × 3 = 147,
    20/49 = 20 × 3/49 × 3 = 60/147
  4. Add the two fractions:
    252/147 + 60/147 = 252 + 60/147 = 312/147
  5. After reducing the fraction, the answer is 104/49
  6. In mixed form: 26/49

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