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Add 21/35 and 28/30

21/35 + 28/30 is 23/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 30 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 35 × 6 = 210,
    21/35 = 21 × 6/35 × 6 = 126/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    28/30 = 28 × 7/30 × 7 = 196/210
  4. Add the two like fractions:
    126/210 + 196/210 = 126 + 196/210 = 322/210
  5. 322/210 simplified gives 23/15
  6. So, 21/35 + 28/30 = 23/15
    In mixed form: 18/15

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