Add 63/45 and 6/90
1st number: 1 18/45, 2nd number: 6/90
63/45 + 6/90 is 22/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
63/45 = 63 × 2/45 × 2 = 126/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
6/90 = 6 × 1/90 × 1 = 6/90 - Add the two like fractions:
126/90 + 6/90 = 126 + 6/90 = 132/90 - 132/90 simplified gives 22/15
- So, 63/45 + 6/90 = 22/15
In mixed form: 17/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/45+12/90 63/90+6/90 63/45+18/90 63/45+30/90 63/45+42/90