Add 4/14 and 84/63
1st number: 4/14, 2nd number: 1 21/63
4/14 + 84/63 is 34/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
4/14 = 4 × 9/14 × 9 = 36/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
84/63 = 84 × 2/63 × 2 = 168/126 - Add the two like fractions:
36/126 + 168/126 = 36 + 168/126 = 204/126 - 204/126 simplified gives 34/21
- So, 4/14 + 84/63 = 34/21
In mixed form: 113/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/14+84/63 4/28+84/63 12/14+84/63 4/42+84/63 20/14+84/63 4/70+84/63 28/14+84/63 4/98+84/63