Add 20/60 and 28/25
1st number: 20/60, 2nd number: 1 3/25
20/60 + 28/25 is 109/75.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 25 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 60 × 5 = 300,
20/60 = 20 × 5/60 × 5 = 100/300 - Likewise, for the 2nd fraction, since 25 × 12 = 300,
28/25 = 28 × 12/25 × 12 = 336/300 - Add the two like fractions:
100/300 + 336/300 = 100 + 336/300 = 436/300 - 436/300 simplified gives 109/75
- So, 20/60 + 28/25 = 109/75
In mixed form: 134/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/60+28/25 20/60+56/25 20/60+28/50 20/60+84/25 20/60+28/75