Add 63/42 and 3/14
1st number: 1 21/42, 2nd number: 3/14
63/42 + 3/14 is 12/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
63/42 = 63 × 1/42 × 1 = 63/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
3/14 = 3 × 3/14 × 3 = 9/42 - Add the two like fractions:
63/42 + 9/42 = 63 + 9/42 = 72/42 - 72/42 simplified gives 12/7
- So, 63/42 + 3/14 = 12/7
In mixed form: 15/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/42+6/14 63/84+3/14 63/42+3/28 63/42+9/14 63/42+3/42 63/42+15/14 63/42+3/70 63/42+21/14 63/42+3/98