Add 80/25 and 20/64
1st number: 3 5/25, 2nd number: 20/64
80/25 + 20/64 is 281/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 64 is 1600
Next, find the equivalent fraction of both fractional numbers with denominator 1600 - For the 1st fraction, since 25 × 64 = 1600,
80/25 = 80 × 64/25 × 64 = 5120/1600 - Likewise, for the 2nd fraction, since 64 × 25 = 1600,
20/64 = 20 × 25/64 × 25 = 500/1600 - Add the two like fractions:
5120/1600 + 500/1600 = 5120 + 500/1600 = 5620/1600 - 5620/1600 simplified gives 281/80
- So, 80/25 + 20/64 = 281/80
In mixed form: 341/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/25+40/64 80/50+20/64 80/25+60/64 80/75+20/64