Add 21/54 and 14/10
1st number: 21/54, 2nd number: 1 4/10
21/54 + 14/10 is 161/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 10 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
21/54 = 21 × 5/54 × 5 = 105/270 - Likewise, for the 2nd fraction, since 10 × 27 = 270,
14/10 = 14 × 27/10 × 27 = 378/270 - Add the two like fractions:
105/270 + 378/270 = 105 + 378/270 = 483/270 - 483/270 simplified gives 161/90
- So, 21/54 + 14/10 = 161/90
In mixed form: 171/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/54+14/10 21/54+28/10 21/54+14/20 63/54+14/10 21/54+42/10 21/54+14/30 21/54+70/10 21/54+14/50 21/54+98/10 21/54+14/70