Add 3/14 and 21/63
3/14 + 21/63 is 23/42.
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,
3/14 = 3 × 9/14 × 9 = 27/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
21/63 = 21 × 2/63 × 2 = 42/126 - Add the two like fractions:
27/126 + 42/126 = 27 + 42/126 = 69/126 - 69/126 simplified gives 23/42
- So, 3/14 + 21/63 = 23/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/14+21/63 3/14+42/63 3/28+21/63 9/14+21/63 3/42+21/63 15/14+21/63 3/70+21/63 21/14+21/63 3/98+21/63