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Add 36/21 and 42/30

1st number: 1 15/21, 2nd number: 1 12/30

36/21 + 42/30 is 109/35.

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,
    42/30 = 42 × 7/30 × 7 = 294/210
  4. Add the two like fractions:
    360/210 + 294/210 = 360 + 294/210 = 654/210
  5. 654/210 simplified gives 109/35
  6. So, 36/21 + 42/30 = 109/35
    In mixed form: 34/35

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