Add 6/21 and 30/49
6/21 + 30/49 is 44/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 49 is 147
Next, find the equivalent fraction of both fractional numbers with denominator 147 - For the 1st fraction, since 21 × 7 = 147,
6/21 = 6 × 7/21 × 7 = 42/147 - Likewise, for the 2nd fraction, since 49 × 3 = 147,
30/49 = 30 × 3/49 × 3 = 90/147 - Add the two like fractions:
42/147 + 90/147 = 42 + 90/147 = 132/147 - 132/147 simplified gives 44/49
- So, 6/21 + 30/49 = 44/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/21+30/49 6/21+60/49 6/42+30/49 6/21+30/98 18/21+30/49 6/21+90/49 6/63+30/49 30/21+30/49 42/21+30/49