Add 63/18 and 6/90
1st number: 3 9/18, 2nd number: 6/90
63/18 + 6/90 is 107/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
63/18 = 63 × 5/18 × 5 = 315/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
6/90 = 6 × 1/90 × 1 = 6/90 - Add the two like fractions:
315/90 + 6/90 = 315 + 6/90 = 321/90 - 321/90 simplified gives 107/30
- So, 63/18 + 6/90 = 107/30
In mixed form: 317/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/18+12/90 63/36+6/90 63/18+18/90 63/54+6/90 63/18+30/90 63/90+6/90 63/18+42/90