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Add 70/40 and 12/7

1st number: 1 30/40, 2nd number: 1 5/7

70/40 + 12/7 is 97/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 7 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 40 × 7 = 280,
    70/40 = 70 × 7/40 × 7 = 490/280
  3. Likewise, for the 2nd fraction, since 7 × 40 = 280,
    12/7 = 12 × 40/7 × 40 = 480/280
  4. Add the two like fractions:
    490/280 + 480/280 = 490 + 480/280 = 970/280
  5. 970/280 simplified gives 97/28
  6. So, 70/40 + 12/7 = 97/28
    In mixed form: 313/28

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