Add 18/27 and 40/90
18/27 + 40/90 is 10/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 90 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
18/27 = 18 × 10/27 × 10 = 180/270 - Likewise, for the 2nd fraction, since 90 × 3 = 270,
40/90 = 40 × 3/90 × 3 = 120/270 - Add the two like fractions:
180/270 + 120/270 = 180 + 120/270 = 300/270 - 300/270 simplified gives 10/9
- So, 18/27 + 40/90 = 10/9
In mixed form: 11/9
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