Add 27/49 and 21/10
1st number: 27/49, 2nd number: 2 1/10
27/49 + 21/10 is 1299/490.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 10 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 49 × 10 = 490,
27/49 = 27 × 10/49 × 10 = 270/490 - Likewise, for the 2nd fraction, since 10 × 49 = 490,
21/10 = 21 × 49/10 × 49 = 1029/490 - Add the two like fractions:
270/490 + 1029/490 = 270 + 1029/490 = 1299/490 - So, 27/49 + 21/10 = 1299/490
In mixed form: 2319/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/49+21/10 27/49+42/10 27/98+21/10 27/49+21/20 81/49+21/10 27/49+63/10 27/49+21/30 27/49+21/50 27/49+21/70