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Add 1/8 and 18/90

1/8 + 18/90 is 13/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 90 is 360
  2. For the 1st fraction, since 8 × 45 = 360,
    1/8 = 1 × 45/8 × 45 = 45/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    18/90 = 18 × 4/90 × 4 = 72/360
  4. Add the two fractions:
    45/360 + 72/360 = 45 + 72/360 = 117/360
  5. 117/360 simplified gives 13/40
  6. So, 1/8 + 18/90 = 13/40

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