Add 49/20 and 35/21
1st number: 2 9/20, 2nd number: 1 14/21
49/20 + 35/21 is 247/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 21 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 20 × 21 = 420,
49/20 = 49 × 21/20 × 21 = 1029/420 - Likewise, for the 2nd fraction, since 21 × 20 = 420,
35/21 = 35 × 20/21 × 20 = 700/420 - Add the two like fractions:
1029/420 + 700/420 = 1029 + 700/420 = 1729/420 - 1729/420 simplified gives 247/60
- So, 49/20 + 35/21 = 247/60
In mixed form: 47/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/20+35/21 49/20+70/21 49/40+35/21 49/20+35/42 49/60+35/21 49/20+35/63