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Add 30/4 and 72/42

1st number: 7 2/4, 2nd number: 1 30/42

30/4 + 72/42 is 129/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 42 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 4 × 21 = 84,
    30/4 = 30 × 21/4 × 21 = 630/84
  3. Likewise, for the 2nd fraction, since 42 × 2 = 84,
    72/42 = 72 × 2/42 × 2 = 144/84
  4. Add the two like fractions:
    630/84 + 144/84 = 630 + 144/84 = 774/84
  5. 774/84 simplified gives 129/14
  6. So, 30/4 + 72/42 = 129/14
    In mixed form: 93/14

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