Add 4/21 and 49/30
1st number: 4/21, 2nd number: 1 19/30
4/21 + 49/30 is 383/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
4/21 = 4 × 10/21 × 10 = 40/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
49/30 = 49 × 7/30 × 7 = 343/210 - Add the two like fractions:
40/210 + 343/210 = 40 + 343/210 = 383/210 - So, 4/21 + 49/30 = 383/210
In mixed form: 1173/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/21+49/30 4/21+98/30 4/42+49/30 4/21+49/60 12/21+49/30 4/63+49/30 4/21+49/90 20/21+49/30 28/21+49/30