Add 27/80 and 5/84
27/80 + 5/84 is 667/1680.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 84 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 80 × 21 = 1680,
27/80 = 27 × 21/80 × 21 = 567/1680 - Likewise, for the 2nd fraction, since 84 × 20 = 1680,
5/84 = 5 × 20/84 × 20 = 100/1680 - Add the two like fractions:
567/1680 + 100/1680 = 567 + 100/1680 = 667/1680 - So, 27/80 + 5/84 = 667/1680
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/80+5/84 27/80+10/84 81/80+5/84 27/80+15/84 27/80+25/84 27/80+35/84