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Add 80/56 and 42/90

1st number: 1 24/56, 2nd number: 42/90

80/56 + 42/90 is 199/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 90 is 2520

    Next, find the equivalent fraction of both fractional numbers with denominator 2520
  2. For the 1st fraction, since 56 × 45 = 2520,
    80/56 = 80 × 45/56 × 45 = 3600/2520
  3. Likewise, for the 2nd fraction, since 90 × 28 = 2520,
    42/90 = 42 × 28/90 × 28 = 1176/2520
  4. Add the two like fractions:
    3600/2520 + 1176/2520 = 3600 + 1176/2520 = 4776/2520
  5. 4776/2520 simplified gives 199/105
  6. So, 80/56 + 42/90 = 199/105
    In mixed form: 194/105

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