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Add 40/25 and 12/21

1st number: 1 15/25, 2nd number: 12/21

40/25 + 12/21 is 76/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 21 is 525

    Next, find the equivalent fraction of both fractional numbers with denominator 525
  2. For the 1st fraction, since 25 × 21 = 525,
    40/25 = 40 × 21/25 × 21 = 840/525
  3. Likewise, for the 2nd fraction, since 21 × 25 = 525,
    12/21 = 12 × 25/21 × 25 = 300/525
  4. Add the two like fractions:
    840/525 + 300/525 = 840 + 300/525 = 1140/525
  5. 1140/525 simplified gives 76/35
  6. So, 40/25 + 12/21 = 76/35
    In mixed form: 26/35

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