Add 63/5 and 45/18
1st number: 12 3/5, 2nd number: 2 9/18
63/5 + 45/18 is 151/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
63/5 = 63 × 18/5 × 18 = 1134/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
45/18 = 45 × 5/18 × 5 = 225/90 - Add the two like fractions:
1134/90 + 225/90 = 1134 + 225/90 = 1359/90 - 1359/90 simplified gives 151/10
- So, 63/5 + 45/18 = 151/10
In mixed form: 151/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/5+90/18 63/10+45/18 63/5+45/36 63/15+45/18 63/5+45/54 63/25+45/18 63/5+45/90 63/35+45/18