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Add 4/42 and 90/7

1st number: 4/42, 2nd number: 12 6/7

4/42 + 90/7 is 272/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 7 is 42
  2. For the 1st fraction, since 42 × 1 = 42,
    4/42 = 4 × 1/42 × 1 = 4/42
  3. Likewise, for the 2nd fraction, since 7 × 6 = 42,
    90/7 = 90 × 6/7 × 6 = 540/42
  4. Add the two fractions:
    4/42 + 540/42 = 4 + 540/42 = 544/42
  5. After reducing the fraction, the answer is 272/21
  6. In mixed form: 1220/21

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