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Add 7/21 and 40/25

1st number: 7/21, 2nd number: 1 15/25

7/21 + 40/25 is 29/15.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 525
  2. For the 1st fraction, since 21 × 25 = 525,
    7/21 = 7 × 25/21 × 25 = 175/525
  3. Likewise, for the 2nd fraction, since 25 × 21 = 525,
    40/25 = 40 × 21/25 × 21 = 840/525
  4. Add the two like fractions:
    175/525 + 840/525 = 175 + 840/525 = 1015/525
  5. 1015/525 simplified gives 29/15
  6. So, 7/21 + 40/25 = 29/15
    In mixed form: 114/15

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