Add 30/25 and 80/16
1st number: 1 5/25, 2nd number: 5 0/16
30/25 + 80/16 is 31/5.
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,
30/25 = 30 × 16/25 × 16 = 480/400 - Likewise, for the 2nd fraction, since 16 × 25 = 400,
80/16 = 80 × 25/16 × 25 = 2000/400 - Add the two like fractions:
480/400 + 2000/400 = 480 + 2000/400 = 2480/400 - 2480/400 simplified gives 31/5
- So, 30/25 + 80/16 = 31/5
In mixed form: 61/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/25+80/16 30/50+80/16 30/25+80/32 90/25+80/16 30/75+80/16 30/25+80/48