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Add 42/40 and 35/70

1st number: 1 2/40, 2nd number: 35/70

42/40 + 35/70 is 31/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 70 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 40 × 7 = 280,
    42/40 = 42 × 7/40 × 7 = 294/280
  3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
    35/70 = 35 × 4/70 × 4 = 140/280
  4. Add the two like fractions:
    294/280 + 140/280 = 294 + 140/280 = 434/280
  5. 434/280 simplified gives 31/20
  6. So, 42/40 + 35/70 = 31/20
    In mixed form: 111/20

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