Add 20/28 and 3/49
20/28 + 3/49 is 38/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 49 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 28 × 7 = 196,
20/28 = 20 × 7/28 × 7 = 140/196 - Likewise, for the 2nd fraction, since 49 × 4 = 196,
3/49 = 3 × 4/49 × 4 = 12/196 - Add the two like fractions:
140/196 + 12/196 = 140 + 12/196 = 152/196 - 152/196 simplified gives 38/49
- So, 20/28 + 3/49 = 38/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/28+3/49 20/28+6/49 20/56+3/49 20/28+3/98 60/28+3/49 20/28+9/49 20/84+3/49 20/28+15/49 20/28+21/49