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Add 15/40 and 70/18

1st number: 15/40, 2nd number: 3 16/18

15/40 + 70/18 is 307/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 18 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 40 × 9 = 360,
    15/40 = 15 × 9/40 × 9 = 135/360
  3. Likewise, for the 2nd fraction, since 18 × 20 = 360,
    70/18 = 70 × 20/18 × 20 = 1400/360
  4. Add the two like fractions:
    135/360 + 1400/360 = 135 + 1400/360 = 1535/360
  5. 1535/360 simplified gives 307/72
  6. So, 15/40 + 70/18 = 307/72
    In mixed form: 419/72

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