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Add 40/28 and 49/30

1st number: 1 12/28, 2nd number: 1 19/30

40/28 + 49/30 is 643/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 30 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 28 × 15 = 420,
    40/28 = 40 × 15/28 × 15 = 600/420
  3. Likewise, for the 2nd fraction, since 30 × 14 = 420,
    49/30 = 49 × 14/30 × 14 = 686/420
  4. Add the two like fractions:
    600/420 + 686/420 = 600 + 686/420 = 1286/420
  5. 1286/420 simplified gives 643/210
  6. So, 40/28 + 49/30 = 643/210
    In mixed form: 313/210

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