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Add 27/18 and 70/40

1st number: 1 9/18, 2nd number: 1 30/40

27/18 + 70/40 is 13/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 40 is 360
  2. For the 1st fraction, since 18 × 20 = 360,
    27/18 = 27 × 20/18 × 20 = 540/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    70/40 = 70 × 9/40 × 9 = 630/360
  4. Add the two fractions:
    540/360 + 630/360 = 540 + 630/360 = 1170/360
  5. After reducing the fraction, the answer is 13/4
  6. In mixed form: 31/4

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