Add 63/30 and 21/14
1st number: 2 3/30, 2nd number: 1 7/14
63/30 + 21/14 is 18/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 14 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
63/30 = 63 × 7/30 × 7 = 441/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
21/14 = 21 × 15/14 × 15 = 315/210 - Add the two like fractions:
441/210 + 315/210 = 441 + 315/210 = 756/210 - 756/210 simplified gives 18/5
- So, 63/30 + 21/14 = 18/5
In mixed form: 33/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/30+42/14 63/60+21/14 63/30+21/28 63/30+63/14 63/90+21/14 63/30+21/42 63/30+21/70 63/30+21/98