Add 21/25 and 50/84
21/25 + 50/84 is 1507/1050.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 84 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 25 × 84 = 2100,
21/25 = 21 × 84/25 × 84 = 1764/2100 - Likewise, for the 2nd fraction, since 84 × 25 = 2100,
50/84 = 50 × 25/84 × 25 = 1250/2100 - Add the two like fractions:
1764/2100 + 1250/2100 = 1764 + 1250/2100 = 3014/2100 - 3014/2100 simplified gives 1507/1050
- So, 21/25 + 50/84 = 1507/1050
In mixed form: 1457/1050
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/25+50/84 21/50+50/84 63/25+50/84 21/75+50/84