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Add 40/28 and 21/49

1st number: 1 12/28, 2nd number: 21/49

40/28 + 21/49 is 13/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 49 is 196

    Next, find the equivalent fraction of both fractional numbers with denominator 196
  2. For the 1st fraction, since 28 × 7 = 196,
    40/28 = 40 × 7/28 × 7 = 280/196
  3. Likewise, for the 2nd fraction, since 49 × 4 = 196,
    21/49 = 21 × 4/49 × 4 = 84/196
  4. Add the two like fractions:
    280/196 + 84/196 = 280 + 84/196 = 364/196
  5. 364/196 simplified gives 13/7
  6. So, 40/28 + 21/49 = 13/7
    In mixed form: 16/7

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