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Add 72/30 and 14/21

1st number: 2 12/30, 2nd number: 14/21

72/30 + 14/21 is 46/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 21 is 210
  2. For the 1st fraction, since 30 × 7 = 210,
    72/30 = 72 × 7/30 × 7 = 504/210
  3. Likewise, for the 2nd fraction, since 21 × 10 = 210,
    14/21 = 14 × 10/21 × 10 = 140/210
  4. Add the two fractions:
    504/210 + 140/210 = 504 + 140/210 = 644/210
  5. 644/210 simplified gives 46/15
  6. So, 72/30 + 14/21 = 46/15
    In mixed form: 31/15

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