Add 21/14 and 4/63
1st number: 1 7/14, 2nd number: 4/63
21/14 + 4/63 is 197/126.
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,
21/14 = 21 × 9/14 × 9 = 189/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
4/63 = 4 × 2/63 × 2 = 8/126 - Add the two like fractions:
189/126 + 8/126 = 189 + 8/126 = 197/126 - So, 21/14 + 4/63 = 197/126
In mixed form: 171/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/14+4/63 21/14+8/63 21/28+4/63 63/14+4/63 21/14+12/63 21/42+4/63 21/14+20/63 21/70+4/63 21/14+28/63 21/98+4/63