Add 18/80 and 21/27
18/80 + 21/27 is 361/360.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 27 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 80 × 27 = 2160,
18/80 = 18 × 27/80 × 27 = 486/2160 - Likewise, for the 2nd fraction, since 27 × 80 = 2160,
21/27 = 21 × 80/27 × 80 = 1680/2160 - Add the two like fractions:
486/2160 + 1680/2160 = 486 + 1680/2160 = 2166/2160 - 2166/2160 simplified gives 361/360
- So, 18/80 + 21/27 = 361/360
In mixed form: 11/360
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