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Add 70/40 and 9/28

1st number: 1 30/40, 2nd number: 9/28

70/40 + 9/28 is 29/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 28 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 28 × 10 = 280,
    9/28 = 9 × 10/28 × 10 = 90/280
  4. Add the two like fractions:
    490/280 + 90/280 = 490 + 90/280 = 580/280
  5. 580/280 simplified gives 29/14
  6. So, 70/40 + 9/28 = 29/14
    In mixed form: 21/14

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