Add 21/24 and 10/25
21/24 + 10/25 is 51/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 25 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 25 × 24 = 600,
10/25 = 10 × 24/25 × 24 = 240/600 - Add the two like fractions:
525/600 + 240/600 = 525 + 240/600 = 765/600 - 765/600 simplified gives 51/40
- So, 21/24 + 10/25 = 51/40
In mixed form: 111/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/24+10/25 21/24+20/25 21/48+10/25 21/24+10/50 63/24+10/25 21/24+30/25 21/72+10/25 21/24+10/75 21/24+50/25 21/24+70/25