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Add 21/35 and 4/8

21/35 + 4/8 is 11/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 8 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 35 × 8 = 280,
    21/35 = 21 × 8/35 × 8 = 168/280
  3. Likewise, for the 2nd fraction, since 8 × 35 = 280,
    4/8 = 4 × 35/8 × 35 = 140/280
  4. Add the two like fractions:
    168/280 + 140/280 = 168 + 140/280 = 308/280
  5. 308/280 simplified gives 11/10
  6. So, 21/35 + 4/8 = 11/10
    In mixed form: 11/10

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