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Add 36/21 and 20/30

1st number: 1 15/21, 2nd number: 20/30

36/21 + 20/30 is 50/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 30 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 21 × 10 = 210,
    36/21 = 36 × 10/21 × 10 = 360/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    20/30 = 20 × 7/30 × 7 = 140/210
  4. Add the two like fractions:
    360/210 + 140/210 = 360 + 140/210 = 500/210
  5. 500/210 simplified gives 50/21
  6. So, 36/21 + 20/30 = 50/21
    In mixed form: 28/21

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