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Add 72/20 and 28/56

1st number: 3 12/20, 2nd number: 28/56

72/20 + 28/56 is 41/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 56 is 280
  2. For the 1st fraction, since 20 × 14 = 280,
    72/20 = 72 × 14/20 × 14 = 1008/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    28/56 = 28 × 5/56 × 5 = 140/280
  4. Add the two fractions:
    1008/280 + 140/280 = 1008 + 140/280 = 1148/280
  5. 1148/280 simplified gives 41/10
  6. So, 72/20 + 28/56 = 41/10
    In mixed form: 41/10

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