Add 63/14 and 56/21
1st number: 4 7/14, 2nd number: 2 14/21
63/14 + 56/21 is 43/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
63/14 = 63 × 3/14 × 3 = 189/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
56/21 = 56 × 2/21 × 2 = 112/42 - Add the two like fractions:
189/42 + 112/42 = 189 + 112/42 = 301/42 - 301/42 simplified gives 43/6
- So, 63/14 + 56/21 = 43/6
In mixed form: 71/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/28+56/21 63/14+56/42 63/42+56/21 63/14+56/63 63/70+56/21 63/98+56/21