Add 28/10 and 48/18
1st number: 2 8/10, 2nd number: 2 12/18
28/10 + 48/18 is 82/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
28/10 = 28 × 9/10 × 9 = 252/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
48/18 = 48 × 5/18 × 5 = 240/90 - Add the two like fractions:
252/90 + 240/90 = 252 + 240/90 = 492/90 - 492/90 simplified gives 82/15
- So, 28/10 + 48/18 = 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: 56/10+48/18 28/10+96/18 28/20+48/18 28/10+48/36 84/10+48/18 28/30+48/18 28/10+48/54 28/50+48/18 28/10+48/90 28/70+48/18