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Add 80/56 and 42/40

1st number: 1 24/56, 2nd number: 1 2/40

80/56 + 42/40 is 347/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 40 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 56 × 5 = 280,
    80/56 = 80 × 5/56 × 5 = 400/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    42/40 = 42 × 7/40 × 7 = 294/280
  4. Add the two like fractions:
    400/280 + 294/280 = 400 + 294/280 = 694/280
  5. 694/280 simplified gives 347/140
  6. So, 80/56 + 42/40 = 347/140
    In mixed form: 267/140

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