Add 9/18 and 25/40
9/18 + 25/40 is 9/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 18 × 20 = 360,
9/18 = 9 × 20/18 × 20 = 180/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
25/40 = 25 × 9/40 × 9 = 225/360 - Add the two like fractions:
180/360 + 225/360 = 180 + 225/360 = 405/360 - 405/360 simplified gives 9/8
- So, 9/18 + 25/40 = 9/8
In mixed form: 11/8
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