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Add 40/28 and 30/9

1st number: 1 12/28, 2nd number: 3 3/9

40/28 + 30/9 is 100/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 9 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 28 × 9 = 252,
    40/28 = 40 × 9/28 × 9 = 360/252
  3. Likewise, for the 2nd fraction, since 9 × 28 = 252,
    30/9 = 30 × 28/9 × 28 = 840/252
  4. Add the two like fractions:
    360/252 + 840/252 = 360 + 840/252 = 1200/252
  5. 1200/252 simplified gives 100/21
  6. So, 40/28 + 30/9 = 100/21
    In mixed form: 416/21

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