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Add 27/45 and 70/40

1st number: 27/45, 2nd number: 1 30/40

27/45 + 70/40 is 47/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 40 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 45 × 8 = 360,
    27/45 = 27 × 8/45 × 8 = 216/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    70/40 = 70 × 9/40 × 9 = 630/360
  4. Add the two like fractions:
    216/360 + 630/360 = 216 + 630/360 = 846/360
  5. 846/360 simplified gives 47/20
  6. So, 27/45 + 70/40 = 47/20
    In mixed form: 27/20

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