Add 5/90 and 21/27
5/90 + 21/27 is 5/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 90 × 3 = 270,
5/90 = 5 × 3/90 × 3 = 15/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
21/27 = 21 × 10/27 × 10 = 210/270 - Add the two like fractions:
15/270 + 210/270 = 15 + 210/270 = 225/270 - 225/270 simplified gives 5/6
- So, 5/90 + 21/27 = 5/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/90+21/27 5/90+42/27 5/90+21/54 15/90+21/27 5/90+63/27 5/90+21/81 25/90+21/27 35/90+21/27