Add 21/6 and 63/14
1st number: 3 3/6, 2nd number: 4 7/14
21/6 + 63/14 is 8/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
21/6 = 21 × 7/6 × 7 = 147/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
63/14 = 63 × 3/14 × 3 = 189/42 - Add the two like fractions:
147/42 + 189/42 = 147 + 189/42 = 336/42 - 336/42 simplified gives 8/1
- So, 21/6 + 63/14 = 8/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/6+63/14 21/12+63/14 21/6+63/28 63/6+63/14 21/18+63/14 21/6+63/42 21/30+63/14 21/6+63/70 21/42+63/14 21/6+63/98