Add 49/20 and 28/10
1st number: 2 9/20, 2nd number: 2 8/10
49/20 + 28/10 is 21/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
49/20 = 49 × 1/20 × 1 = 49/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
28/10 = 28 × 2/10 × 2 = 56/20 - Add the two like fractions:
49/20 + 56/20 = 49 + 56/20 = 105/20 - 105/20 simplified gives 21/4
- So, 49/20 + 28/10 = 21/4
In mixed form: 51/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/20+28/10 49/20+56/10 49/40+28/10 49/20+28/20 49/20+84/10 49/60+28/10 49/20+28/30 49/20+28/50 49/20+28/70