Add 15/28 and 28/10
1st number: 15/28, 2nd number: 2 8/10
15/28 + 28/10 is 467/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 10 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
15/28 = 15 × 5/28 × 5 = 75/140 - Likewise, for the 2nd fraction, since 10 × 14 = 140,
28/10 = 28 × 14/10 × 14 = 392/140 - Add the two like fractions:
75/140 + 392/140 = 75 + 392/140 = 467/140 - So, 15/28 + 28/10 = 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: 30/28+28/10 15/28+56/10 15/56+28/10 15/28+28/20 45/28+28/10 15/28+84/10 15/84+28/10 15/28+28/30 75/28+28/10 15/28+28/50 15/28+28/70