Add 28/10 and 15/28
1st number: 2 8/10, 2nd number: 15/28
28/10 + 15/28 is 467/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 10 × 14 = 140,
28/10 = 28 × 14/10 × 14 = 392/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
15/28 = 15 × 5/28 × 5 = 75/140 - Add the two like fractions:
392/140 + 75/140 = 392 + 75/140 = 467/140 - So, 28/10 + 15/28 = 467/140
In mixed form: 347/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/10+15/28 28/10+30/28 28/20+15/28 28/10+15/56 84/10+15/28 28/10+45/28 28/30+15/28 28/10+15/84 28/10+75/28 28/50+15/28 28/70+15/28