Add 2/7 and 49/20
1st number: 2/7, 2nd number: 2 9/20
2/7 + 49/20 is 383/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 7 × 20 = 140,
2/7 = 2 × 20/7 × 20 = 40/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
49/20 = 49 × 7/20 × 7 = 343/140 - Add the two like fractions:
40/140 + 343/140 = 40 + 343/140 = 383/140 - So, 2/7 + 49/20 = 383/140
In mixed form: 2103/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/7+49/20 2/7+98/20 2/14+49/20 2/7+49/40 6/7+49/20 2/21+49/20 2/7+49/60 10/7+49/20 2/35+49/20 14/7+49/20 2/49+49/20