Add 20/25 and 56/12
1st number: 20/25, 2nd number: 4 8/12
20/25 + 56/12 is 82/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 25 × 12 = 300,
20/25 = 20 × 12/25 × 12 = 240/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
56/12 = 56 × 25/12 × 25 = 1400/300 - Add the two like fractions:
240/300 + 1400/300 = 240 + 1400/300 = 1640/300 - 1640/300 simplified gives 82/15
- So, 20/25 + 56/12 = 82/15
In mixed form: 57/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/25+56/12 20/50+56/12 20/25+56/24 60/25+56/12 20/75+56/12 20/25+56/36 20/25+56/60 20/25+56/84