Add 28/10 and 3/15
1st number: 2 8/10, 2nd number: 3/15
28/10 + 3/15 is 3/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
28/10 = 28 × 3/10 × 3 = 84/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
3/15 = 3 × 2/15 × 2 = 6/30 - Add the two like fractions:
84/30 + 6/30 = 84 + 6/30 = 90/30 - 90/30 simplified gives 3/1
- So, 28/10 + 3/15 = 3/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/10+3/15 28/10+6/15 28/20+3/15 28/10+3/30 84/10+3/15 28/10+9/15 28/30+3/15 28/10+3/45 28/50+3/15 28/10+3/75 28/10+21/15 28/70+3/15