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Add 72/56 and 42/20

1st number: 1 16/56, 2nd number: 2 2/20

72/56 + 42/20 is 237/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 20 is 280
  2. For the 1st fraction, since 56 × 5 = 280,
    72/56 = 72 × 5/56 × 5 = 360/280
  3. Likewise, for the 2nd fraction, since 20 × 14 = 280,
    42/20 = 42 × 14/20 × 14 = 588/280
  4. Add the two fractions:
    360/280 + 588/280 = 360 + 588/280 = 948/280
  5. 948/280 simplified gives 237/70
  6. So, 72/56 + 42/20 = 237/70
    In mixed form: 327/70

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