Add 45/4 and 18/27
1st number: 11 1/4, 2nd number: 18/27
45/4 + 18/27 is 143/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 4 × 27 = 108,
45/4 = 45 × 27/4 × 27 = 1215/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
18/27 = 18 × 4/27 × 4 = 72/108 - Add the two like fractions:
1215/108 + 72/108 = 1215 + 72/108 = 1287/108 - 1287/108 simplified gives 143/12
- So, 45/4 + 18/27 = 143/12
In mixed form: 1111/12
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