Add 63/18 and 8/5
1st number: 3 9/18, 2nd number: 1 3/5
63/18 + 8/5 is 51/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 5 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 5 × 18 = 90,
8/5 = 8 × 18/5 × 18 = 144/90 - Add the two like fractions:
315/90 + 144/90 = 315 + 144/90 = 459/90 - 459/90 simplified gives 51/10
- So, 63/18 + 8/5 = 51/10
In mixed form: 51/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/18+16/5 63/36+8/5 63/18+8/10 63/18+24/5 63/54+8/5 63/18+8/15 63/18+40/5 63/90+8/5 63/18+8/25 63/18+56/5 63/18+8/35