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Add 21/14 and 42/25

1st number: 1 7/14, 2nd number: 1 17/25

21/14 + 42/25 is 159/50.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 25 is 350

    Next, find the equivalent fraction of both fractional numbers with denominator 350
  2. For the 1st fraction, since 14 × 25 = 350,
    21/14 = 21 × 25/14 × 25 = 525/350
  3. Likewise, for the 2nd fraction, since 25 × 14 = 350,
    42/25 = 42 × 14/25 × 14 = 588/350
  4. Add the two like fractions:
    525/350 + 588/350 = 525 + 588/350 = 1113/350
  5. 1113/350 simplified gives 159/50
  6. So, 21/14 + 42/25 = 159/50
    In mixed form: 39/50

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