Add 21/24 and 15/50
21/24 + 15/50 is 47/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 50 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 24 × 25 = 600,
21/24 = 21 × 25/24 × 25 = 525/600 - Likewise, for the 2nd fraction, since 50 × 12 = 600,
15/50 = 15 × 12/50 × 12 = 180/600 - Add the two like fractions:
525/600 + 180/600 = 525 + 180/600 = 705/600 - 705/600 simplified gives 47/40
- So, 21/24 + 15/50 = 47/40
In mixed form: 17/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/24+15/50 21/24+30/50 21/48+15/50 63/24+15/50 21/24+45/50 21/72+15/50 21/24+75/50