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Add 42/30 and 18/28

1st number: 1 12/30, 2nd number: 18/28

42/30 + 18/28 is 143/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 28 is 420
  2. For the 1st fraction, since 30 × 14 = 420,
    42/30 = 42 × 14/30 × 14 = 588/420
  3. Likewise, for the 2nd fraction, since 28 × 15 = 420,
    18/28 = 18 × 15/28 × 15 = 270/420
  4. Add the two fractions:
    588/420 + 270/420 = 588 + 270/420 = 858/420
  5. 858/420 simplified gives 143/70
  6. So, 42/30 + 18/28 = 143/70
    In mixed form: 23/70

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