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Add 4/21 and 8/30

4/21 + 8/30 is 16/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 30 is 210
  2. For the 1st fraction, since 21 × 10 = 210,
    4/21 = 4 × 10/21 × 10 = 40/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    8/30 = 8 × 7/30 × 7 = 56/210
  4. Add the two fractions:
    40/210 + 56/210 = 40 + 56/210 = 96/210
  5. 96/210 simplified gives 16/35
  6. So, 4/21 + 8/30 = 16/35

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