Add 63/3 and 7/90
1st number: 21 0/3, 2nd number: 7/90
63/3 + 7/90 is 1897/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 3 × 30 = 90,
63/3 = 63 × 30/3 × 30 = 1890/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
7/90 = 7 × 1/90 × 1 = 7/90 - Add the two like fractions:
1890/90 + 7/90 = 1890 + 7/90 = 1897/90 - So, 63/3 + 7/90 = 1897/90
In mixed form: 217/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/3+14/90 63/6+7/90 63/3+21/90 63/9+7/90 63/3+35/90 63/15+7/90 63/3+49/90 63/21+7/90