Add 20/25 and 25/16
1st number: 20/25, 2nd number: 1 9/16
20/25 + 25/16 is 189/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 16 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 25 × 16 = 400,
20/25 = 20 × 16/25 × 16 = 320/400 - Likewise, for the 2nd fraction, since 16 × 25 = 400,
25/16 = 25 × 25/16 × 25 = 625/400 - Add the two like fractions:
320/400 + 625/400 = 320 + 625/400 = 945/400 - 945/400 simplified gives 189/80
- So, 20/25 + 25/16 = 189/80
In mixed form: 229/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/25+25/16 20/25+50/16 20/50+25/16 20/25+25/32 60/25+25/16 20/25+75/16 20/75+25/16 20/25+25/48 20/25+25/80