Add 63/45 and 90/9
1st number: 1 18/45, 2nd number: 10 0/9
63/45 + 90/9 is 57/5.
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,
90/9 = 90 × 5/9 × 5 = 450/45 - Add the two like fractions:
63/45 + 450/45 = 63 + 450/45 = 513/45 - 513/45 simplified gives 57/5
- So, 63/45 + 90/9 = 57/5
In mixed form: 112/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/90+90/9 63/45+90/18 63/45+90/27 63/45+90/45 63/45+90/63