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Add 45/70 and 20/8

1st number: 45/70, 2nd number: 2 4/8

45/70 + 20/8 is 22/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 8 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 70 × 4 = 280,
    45/70 = 45 × 4/70 × 4 = 180/280
  3. Likewise, for the 2nd fraction, since 8 × 35 = 280,
    20/8 = 20 × 35/8 × 35 = 700/280
  4. Add the two like fractions:
    180/280 + 700/280 = 180 + 700/280 = 880/280
  5. 880/280 simplified gives 22/7
  6. So, 45/70 + 20/8 = 22/7
    In mixed form: 31/7

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