Add 12/25 and 20/64
12/25 + 20/64 is 317/400.
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,
12/25 = 12 × 64/25 × 64 = 768/1600 - Likewise, for the 2nd fraction, since 64 × 25 = 1600,
20/64 = 20 × 25/64 × 25 = 500/1600 - Add the two like fractions:
768/1600 + 500/1600 = 768 + 500/1600 = 1268/1600 - 1268/1600 simplified gives 317/400
- So, 12/25 + 20/64 = 317/400
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/25+20/64 12/25+40/64 12/50+20/64 36/25+20/64 12/25+60/64 12/75+20/64 60/25+20/64 84/25+20/64