Add 12/27 and 21/80
12/27 + 21/80 is 509/720.
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,
12/27 = 12 × 80/27 × 80 = 960/2160 - Likewise, for the 2nd fraction, since 80 × 27 = 2160,
21/80 = 21 × 27/80 × 27 = 567/2160 - Add the two like fractions:
960/2160 + 567/2160 = 960 + 567/2160 = 1527/2160 - 1527/2160 simplified gives 509/720
- So, 12/27 + 21/80 = 509/720
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