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Add 90/25 and 30/21

1st number: 3 15/25, 2nd number: 1 9/21

90/25 + 30/21 is 176/35.

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,
    90/25 = 90 × 21/25 × 21 = 1890/525
  3. Likewise, for the 2nd fraction, since 21 × 25 = 525,
    30/21 = 30 × 25/21 × 25 = 750/525
  4. Add the two like fractions:
    1890/525 + 750/525 = 1890 + 750/525 = 2640/525
  5. 2640/525 simplified gives 176/35
  6. So, 90/25 + 30/21 = 176/35
    In mixed form: 51/35

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