Add 27/54 and 70/80
27/54 + 70/80 is 11/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 80 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 54 × 40 = 2160,
27/54 = 27 × 40/54 × 40 = 1080/2160 - Likewise, for the 2nd fraction, since 80 × 27 = 2160,
70/80 = 70 × 27/80 × 27 = 1890/2160 - Add the two like fractions:
1080/2160 + 1890/2160 = 1080 + 1890/2160 = 2970/2160 - 2970/2160 simplified gives 11/8
- So, 27/54 + 70/80 = 11/8
In mixed form: 13/8
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