Add 12/18 and 25/45
12/18 + 25/45 is 11/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
12/18 = 12 × 5/18 × 5 = 60/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
25/45 = 25 × 2/45 × 2 = 50/90 - Add the two like fractions:
60/90 + 50/90 = 60 + 50/90 = 110/90 - 110/90 simplified gives 11/9
- So, 12/18 + 25/45 = 11/9
In mixed form: 12/9
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