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Add 42/28 and 30/7

1st number: 1 14/28, 2nd number: 4 2/7

42/28 + 30/7 is 81/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 7 is 28
  2. For the 1st fraction, since 28 × 1 = 28,
    42/28 = 42 × 1/28 × 1 = 42/28
  3. Likewise, for the 2nd fraction, since 7 × 4 = 28,
    30/7 = 30 × 4/7 × 4 = 120/28
  4. Add the two fractions:
    42/28 + 120/28 = 42 + 120/28 = 162/28
  5. 162/28 simplified gives 81/14
  6. So, 42/28 + 30/7 = 81/14
    In mixed form: 511/14

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