Add 50/20 and 49/28
1st number: 2 10/20, 2nd number: 1 21/28
50/20 + 49/28 is 17/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
50/20 = 50 × 7/20 × 7 = 350/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
49/28 = 49 × 5/28 × 5 = 245/140 - Add the two like fractions:
350/140 + 245/140 = 350 + 245/140 = 595/140 - 595/140 simplified gives 17/4
- So, 50/20 + 49/28 = 17/4
In mixed form: 41/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/20+98/28 50/40+49/28 50/20+49/56 50/60+49/28 50/20+49/84