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Add 7/30 and 90/21

1st number: 7/30, 2nd number: 4 6/21

7/30 + 90/21 is 949/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 21 is 210
  2. For the 1st fraction, since 30 × 7 = 210,
    7/30 = 7 × 7/30 × 7 = 49/210
  3. Likewise, for the 2nd fraction, since 21 × 10 = 210,
    90/21 = 90 × 10/21 × 10 = 900/210
  4. Add the two fractions:
    49/210 + 900/210 = 49 + 900/210 = 949/210
  5. So, 7/30 + 90/21 = 949/210
    In mixed form: 4109/210

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