Add 18/90 and 27/16
1st number: 18/90, 2nd number: 1 11/16
18/90 + 27/16 is 151/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 16 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 90 × 8 = 720,
18/90 = 18 × 8/90 × 8 = 144/720 - Likewise, for the 2nd fraction, since 16 × 45 = 720,
27/16 = 27 × 45/16 × 45 = 1215/720 - Add the two like fractions:
144/720 + 1215/720 = 144 + 1215/720 = 1359/720 - 1359/720 simplified gives 151/80
- So, 18/90 + 27/16 = 151/80
In mixed form: 171/80
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