Add 28/18 and 7/63
1st number: 1 10/18, 2nd number: 7/63
28/18 + 7/63 is 5/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
28/18 = 28 × 7/18 × 7 = 196/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
7/63 = 7 × 2/63 × 2 = 14/126 - Add the two like fractions:
196/126 + 14/126 = 196 + 14/126 = 210/126 - 210/126 simplified gives 5/3
- So, 28/18 + 7/63 = 5/3
In mixed form: 12/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/18+7/63 28/18+14/63 28/36+7/63 84/18+7/63 28/18+21/63 28/54+7/63 28/18+35/63 28/90+7/63 28/18+49/63