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Add 42/28 and 6/21

1st number: 1 14/28, 2nd number: 6/21

42/28 + 6/21 is 25/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 21 is 84
  2. For the 1st fraction, since 28 × 3 = 84,
    42/28 = 42 × 3/28 × 3 = 126/84
  3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
    6/21 = 6 × 4/21 × 4 = 24/84
  4. Add the two fractions:
    126/84 + 24/84 = 126 + 24/84 = 150/84
  5. 150/84 simplified gives 25/14
  6. So, 42/28 + 6/21 = 25/14
    In mixed form: 111/14

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