Add 27/2 and 80/45
1st number: 13 1/2, 2nd number: 1 35/45
27/2 + 80/45 is 275/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
27/2 = 27 × 45/2 × 45 = 1215/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
80/45 = 80 × 2/45 × 2 = 160/90 - Add the two like fractions:
1215/90 + 160/90 = 1215 + 160/90 = 1375/90 - 1375/90 simplified gives 275/18
- So, 27/2 + 80/45 = 275/18
In mixed form: 155/18
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