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Add 81/70 and 2/40

1st number: 1 11/70, 2nd number: 2/40

81/70 + 2/40 is 169/140.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 70 × 4 = 280,
    81/70 = 81 × 4/70 × 4 = 324/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    2/40 = 2 × 7/40 × 7 = 14/280
  4. Add the two like fractions:
    324/280 + 14/280 = 324 + 14/280 = 338/280
  5. 338/280 simplified gives 169/140
  6. So, 81/70 + 2/40 = 169/140
    In mixed form: 129/140

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