Add 49/21 and 1/5
1st number: 2 7/21, 2nd number: 1/5
49/21 + 1/5 is 38/15.
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,
1/5 = 1 × 21/5 × 21 = 21/105 - Add the two like fractions:
245/105 + 21/105 = 245 + 21/105 = 266/105 - 266/105 simplified gives 38/15
- So, 49/21 + 1/5 = 38/15
In mixed form: 28/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/21+1/5 49/21+2/5 49/42+1/5 49/21+1/10 49/21+3/5 49/63+1/5 49/21+1/15 49/21+1/25 49/21+7/5 49/21+1/35