Add 14/21 and 63/30
1st number: 14/21, 2nd number: 2 3/30
14/21 + 63/30 is 83/30.
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,
14/21 = 14 × 10/21 × 10 = 140/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
63/30 = 63 × 7/30 × 7 = 441/210 - Add the two like fractions:
140/210 + 441/210 = 140 + 441/210 = 581/210 - 581/210 simplified gives 83/30
- So, 14/21 + 63/30 = 83/30
In mixed form: 223/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/21+63/30 14/42+63/30 14/21+63/60 42/21+63/30 14/63+63/30 14/21+63/90 70/21+63/30 98/21+63/30