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Add 72/20 and 3/35

1st number: 3 12/20, 2nd number: 3/35

72/20 + 3/35 is 129/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 35 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 20 × 7 = 140,
    72/20 = 72 × 7/20 × 7 = 504/140
  3. Likewise, for the 2nd fraction, since 35 × 4 = 140,
    3/35 = 3 × 4/35 × 4 = 12/140
  4. Add the two like fractions:
    504/140 + 12/140 = 504 + 12/140 = 516/140
  5. 516/140 simplified gives 129/35
  6. So, 72/20 + 3/35 = 129/35
    In mixed form: 324/35

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