Add 18/27 and 70/90
18/27 + 70/90 is 13/9.
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,
70/90 = 70 × 3/90 × 3 = 210/270 - Add the two like fractions:
180/270 + 210/270 = 180 + 210/270 = 390/270 - 390/270 simplified gives 13/9
- So, 18/27 + 70/90 = 13/9
In mixed form: 14/9
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