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Add 10/21 and 64/30

1st number: 10/21, 2nd number: 2 4/30

10/21 + 64/30 is 274/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 30 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 21 × 10 = 210,
    10/21 = 10 × 10/21 × 10 = 100/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    64/30 = 64 × 7/30 × 7 = 448/210
  4. Add the two like fractions:
    100/210 + 448/210 = 100 + 448/210 = 548/210
  5. 548/210 simplified gives 274/105
  6. So, 10/21 + 64/30 = 274/105
    In mixed form: 264/105

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