Add 15/49 and 21/10
1st number: 15/49, 2nd number: 2 1/10
15/49 + 21/10 is 1179/490.
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,
15/49 = 15 × 10/49 × 10 = 150/490 - Likewise, for the 2nd fraction, since 10 × 49 = 490,
21/10 = 21 × 49/10 × 49 = 1029/490 - Add the two like fractions:
150/490 + 1029/490 = 150 + 1029/490 = 1179/490 - So, 15/49 + 21/10 = 1179/490
In mixed form: 2199/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/49+21/10 15/49+42/10 15/98+21/10 15/49+21/20 45/49+21/10 15/49+63/10 15/49+21/30 75/49+21/10 15/49+21/50 15/49+21/70