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Add 21/70 and 75/8

1st number: 21/70, 2nd number: 9 3/8

21/70 + 75/8 is 387/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 8 is 280
  2. For the 1st fraction, since 70 × 4 = 280,
    21/70 = 21 × 4/70 × 4 = 84/280
  3. Likewise, for the 2nd fraction, since 8 × 35 = 280,
    75/8 = 75 × 35/8 × 35 = 2625/280
  4. Add the two fractions:
    84/280 + 2625/280 = 84 + 2625/280 = 2709/280
  5. After reducing the fraction, the answer is 387/40
  6. In mixed form: 927/40

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