Add 15/27 and 45/80
15/27 + 45/80 is 161/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 80 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 27 × 80 = 2160,
15/27 = 15 × 80/27 × 80 = 1200/2160 - Likewise, for the 2nd fraction, since 80 × 27 = 2160,
45/80 = 45 × 27/80 × 27 = 1215/2160 - Add the two like fractions:
1200/2160 + 1215/2160 = 1200 + 1215/2160 = 2415/2160 - 2415/2160 simplified gives 161/144
- So, 15/27 + 45/80 = 161/144
In mixed form: 117/144
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