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Add 72/70 and 40/56

1st number: 1 2/70, 2nd number: 40/56

72/70 + 40/56 is 61/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 56 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 70 × 4 = 280,
    72/70 = 72 × 4/70 × 4 = 288/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    40/56 = 40 × 5/56 × 5 = 200/280
  4. Add the two like fractions:
    288/280 + 200/280 = 288 + 200/280 = 488/280
  5. 488/280 simplified gives 61/35
  6. So, 72/70 + 40/56 = 61/35
    In mixed form: 126/35

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