Add 28/49 and 12/20
28/49 + 12/20 is 41/35.
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,
28/49 = 28 × 20/49 × 20 = 560/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
12/20 = 12 × 49/20 × 49 = 588/980 - Add the two like fractions:
560/980 + 588/980 = 560 + 588/980 = 1148/980 - 1148/980 simplified gives 41/35
- So, 28/49 + 12/20 = 41/35
In mixed form: 16/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/49+12/20 28/49+24/20 28/98+12/20 28/49+12/40 84/49+12/20 28/49+36/20 28/49+12/60 28/49+60/20 28/49+84/20