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Add 70/21 and 45/8

1st number: 3 7/21, 2nd number: 5 5/8

70/21 + 45/8 is 215/24.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 8 is 168
  2. For the 1st fraction, since 21 × 8 = 168,
    70/21 = 70 × 8/21 × 8 = 560/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    45/8 = 45 × 21/8 × 21 = 945/168
  4. Add the two fractions:
    560/168 + 945/168 = 560 + 945/168 = 1505/168
  5. After reducing the fraction, the answer is 215/24
  6. In mixed form: 823/24

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