Add 3/14 and 54/63
3/14 + 54/63 is 15/14.
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,
54/63 = 54 × 2/63 × 2 = 108/126 - Add the two like fractions:
27/126 + 108/126 = 27 + 108/126 = 135/126 - 135/126 simplified gives 15/14
- So, 3/14 + 54/63 = 15/14
In mixed form: 11/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/14+54/63 3/28+54/63 9/14+54/63 3/42+54/63 15/14+54/63 3/70+54/63 21/14+54/63 3/98+54/63