Add 28/63 and 18/7
1st number: 28/63, 2nd number: 2 4/7
28/63 + 18/7 is 190/63.
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,
18/7 = 18 × 9/7 × 9 = 162/63 - Add the two like fractions:
28/63 + 162/63 = 28 + 162/63 = 190/63 - So, 28/63 + 18/7 = 190/63
In mixed form: 31/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/63+18/7 28/63+36/7 28/63+18/14 84/63+18/7 28/63+54/7 28/63+18/21 28/63+90/7 28/63+18/35 28/63+18/49