Add 15/25 and 6/16
15/25 + 6/16 is 39/40.
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,
15/25 = 15 × 16/25 × 16 = 240/400 - Likewise, for the 2nd fraction, since 16 × 25 = 400,
6/16 = 6 × 25/16 × 25 = 150/400 - Add the two like fractions:
240/400 + 150/400 = 240 + 150/400 = 390/400 - 390/400 simplified gives 39/40
- So, 15/25 + 6/16 = 39/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/25+6/16 15/25+12/16 15/50+6/16 15/25+6/32 45/25+6/16 15/25+18/16 15/75+6/16 15/25+6/48 75/25+6/16 15/25+30/16 15/25+6/80 15/25+42/16