Add 63/45 and 42/9
1st number: 1 18/45, 2nd number: 4 6/9
63/45 + 42/9 is 91/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
63/45 = 63 × 1/45 × 1 = 63/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
42/9 = 42 × 5/9 × 5 = 210/45 - Add the two like fractions:
63/45 + 210/45 = 63 + 210/45 = 273/45 - 273/45 simplified gives 91/15
- So, 63/45 + 42/9 = 91/15
In mixed form: 61/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/45+84/9 63/90+42/9 63/45+42/18 63/45+42/27 63/45+42/45 63/45+42/63