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Add 21/14 and 1/30

1st number: 1 7/14, 2nd number: 1/30

21/14 + 1/30 is 23/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 30 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 14 × 15 = 210,
    21/14 = 21 × 15/14 × 15 = 315/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    1/30 = 1 × 7/30 × 7 = 7/210
  4. Add the two like fractions:
    315/210 + 7/210 = 315 + 7/210 = 322/210
  5. 322/210 simplified gives 23/15
  6. So, 21/14 + 1/30 = 23/15
    In mixed form: 18/15

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