Add 18/12 and 27/45
1st number: 1 6/12, 2nd number: 27/45
18/12 + 27/45 is 21/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
18/12 = 18 × 15/12 × 15 = 270/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
27/45 = 27 × 4/45 × 4 = 108/180 - Add the two like fractions:
270/180 + 108/180 = 270 + 108/180 = 378/180 - 378/180 simplified gives 21/10
- So, 18/12 + 27/45 = 21/10
In mixed form: 21/10
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