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Add 42/20 and 75/28

1st number: 2 2/20, 2nd number: 2 19/28

42/20 + 75/28 is 669/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 28 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 20 × 7 = 140,
    42/20 = 42 × 7/20 × 7 = 294/140
  3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
    75/28 = 75 × 5/28 × 5 = 375/140
  4. Add the two like fractions:
    294/140 + 375/140 = 294 + 375/140 = 669/140
  5. So, 42/20 + 75/28 = 669/140
    In mixed form: 4109/140

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