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Add 81/56 and 56/70

1st number: 1 25/56, 2nd number: 56/70

81/56 + 56/70 is 629/280.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 70 is 280
  2. For the 1st fraction, since 56 × 5 = 280,
    81/56 = 81 × 5/56 × 5 = 405/280
  3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
    56/70 = 56 × 4/70 × 4 = 224/280
  4. Add the two fractions:
    405/280 + 224/280 = 405 + 224/280 = 629/280
  5. In mixed form: 269/280

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