Add 15/49 and 28/20
1st number: 15/49, 2nd number: 1 8/20
15/49 + 28/20 is 418/245.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 20 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 49 × 20 = 980,
15/49 = 15 × 20/49 × 20 = 300/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
28/20 = 28 × 49/20 × 49 = 1372/980 - Add the two like fractions:
300/980 + 1372/980 = 300 + 1372/980 = 1672/980 - 1672/980 simplified gives 418/245
- So, 15/49 + 28/20 = 418/245
In mixed form: 1173/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/49+28/20 15/49+56/20 15/98+28/20 15/49+28/40 45/49+28/20 15/49+84/20 15/49+28/60 75/49+28/20