Add 21/54 and 10/50
21/54 + 10/50 is 53/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 50 is 1350
Next, find the equivalent fraction of both fractional numbers with denominator 1350 - For the 1st fraction, since 54 × 25 = 1350,
21/54 = 21 × 25/54 × 25 = 525/1350 - Likewise, for the 2nd fraction, since 50 × 27 = 1350,
10/50 = 10 × 27/50 × 27 = 270/1350 - Add the two like fractions:
525/1350 + 270/1350 = 525 + 270/1350 = 795/1350 - 795/1350 simplified gives 53/90
- So, 21/54 + 10/50 = 53/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/54+10/50 21/54+20/50 63/54+10/50 21/54+30/50 21/54+70/50