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Add 21/2 and 7/30

1st number: 10 1/2, 2nd number: 7/30

21/2 + 7/30 is 161/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 30 is 30

    Next, find the equivalent fraction of both fractional numbers with denominator 30
  2. For the 1st fraction, since 2 × 15 = 30,
    21/2 = 21 × 15/2 × 15 = 315/30
  3. Likewise, for the 2nd fraction, since 30 × 1 = 30,
    7/30 = 7 × 1/30 × 1 = 7/30
  4. Add the two like fractions:
    315/30 + 7/30 = 315 + 7/30 = 322/30
  5. 322/30 simplified gives 161/15
  6. So, 21/2 + 7/30 = 161/15
    In mixed form: 1011/15

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