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Add 72/28 and 42/30

1st number: 2 16/28, 2nd number: 1 12/30

72/28 + 42/30 is 139/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 30 is 420
  2. For the 1st fraction, since 28 × 15 = 420,
    72/28 = 72 × 15/28 × 15 = 1080/420
  3. Likewise, for the 2nd fraction, since 30 × 14 = 420,
    42/30 = 42 × 14/30 × 14 = 588/420
  4. Add the two fractions:
    1080/420 + 588/420 = 1080 + 588/420 = 1668/420
  5. 1668/420 simplified gives 139/35
  6. So, 72/28 + 42/30 = 139/35
    In mixed form: 334/35

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