Add 28/63 and 3/7
28/63 + 3/7 is 55/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
28/63 = 28 × 1/63 × 1 = 28/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
3/7 = 3 × 9/7 × 9 = 27/63 - Add the two like fractions:
28/63 + 27/63 = 28 + 27/63 = 55/63 - So, 28/63 + 3/7 = 55/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/63+3/7 28/63+6/7 28/63+3/14 84/63+3/7 28/63+9/7 28/63+3/21 28/63+15/7 28/63+3/35 28/63+21/7 28/63+3/49