Add 49/21 and 2/5
1st number: 2 7/21, 2nd number: 2/5
49/21 + 2/5 is 41/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 5 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 21 × 5 = 105,
49/21 = 49 × 5/21 × 5 = 245/105 - Likewise, for the 2nd fraction, since 5 × 21 = 105,
2/5 = 2 × 21/5 × 21 = 42/105 - Add the two like fractions:
245/105 + 42/105 = 245 + 42/105 = 287/105 - 287/105 simplified gives 41/15
- So, 49/21 + 2/5 = 41/15
In mixed form: 211/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/21+2/5 49/21+4/5 49/42+2/5 49/21+2/10 49/21+6/5 49/63+2/5 49/21+2/15 49/21+10/5 49/21+2/25 49/21+14/5 49/21+2/35