Add 20/75 and 28/10
1st number: 20/75, 2nd number: 2 8/10
20/75 + 28/10 is 46/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 10 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 75 × 2 = 150,
20/75 = 20 × 2/75 × 2 = 40/150 - Likewise, for the 2nd fraction, since 10 × 15 = 150,
28/10 = 28 × 15/10 × 15 = 420/150 - Add the two like fractions:
40/150 + 420/150 = 40 + 420/150 = 460/150 - 460/150 simplified gives 46/15
- So, 20/75 + 28/10 = 46/15
In mixed form: 31/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/75+28/10 20/75+56/10 20/75+28/20 60/75+28/10 20/75+84/10 20/75+28/30 20/75+28/50 20/75+28/70