Add 21/25 and 12/24
21/25 + 12/24 is 67/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 24 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 25 × 24 = 600,
21/25 = 21 × 24/25 × 24 = 504/600 - Likewise, for the 2nd fraction, since 24 × 25 = 600,
12/24 = 12 × 25/24 × 25 = 300/600 - Add the two like fractions:
504/600 + 300/600 = 504 + 300/600 = 804/600 - 804/600 simplified gives 67/50
- So, 21/25 + 12/24 = 67/50
In mixed form: 117/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/25+12/24 21/50+12/24 21/25+12/48 63/25+12/24 21/25+36/24 21/75+12/24 21/25+12/72 21/25+60/24 21/25+84/24