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Add 42/25 and 25/21

1st number: 1 17/25, 2nd number: 1 4/21

42/25 + 25/21 is 1507/525.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 21 is 525
  2. For the 1st fraction, since 25 × 21 = 525,
    42/25 = 42 × 21/25 × 21 = 882/525
  3. Likewise, for the 2nd fraction, since 21 × 25 = 525,
    25/21 = 25 × 25/21 × 25 = 625/525
  4. Add the two fractions:
    882/525 + 625/525 = 882 + 625/525 = 1507/525
  5. In mixed form: 2457/525

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