Add 8/21 and 49/10
1st number: 8/21, 2nd number: 4 9/10
8/21 + 49/10 is 1109/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 10 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
8/21 = 8 × 10/21 × 10 = 80/210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
49/10 = 49 × 21/10 × 21 = 1029/210 - Add the two like fractions:
80/210 + 1029/210 = 80 + 1029/210 = 1109/210 - So, 8/21 + 49/10 = 1109/210
In mixed form: 559/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/21+49/10 8/21+98/10 8/42+49/10 8/21+49/20 24/21+49/10 8/63+49/10 8/21+49/30 40/21+49/10 8/21+49/50 56/21+49/10 8/21+49/70