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Add 45/70 and 15/8

1st number: 45/70, 2nd number: 1 7/8

45/70 + 15/8 is 141/56.

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,
    15/8 = 15 × 35/8 × 35 = 525/280
  4. Add the two like fractions:
    180/280 + 525/280 = 180 + 525/280 = 705/280
  5. 705/280 simplified gives 141/56
  6. So, 45/70 + 15/8 = 141/56
    In mixed form: 229/56

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