Add 3/10 and 63/18
1st number: 3/10, 2nd number: 3 9/18
3/10 + 63/18 is 19/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
3/10 = 3 × 9/10 × 9 = 27/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
63/18 = 63 × 5/18 × 5 = 315/90 - Add the two like fractions:
27/90 + 315/90 = 27 + 315/90 = 342/90 - 342/90 simplified gives 19/5
- So, 3/10 + 63/18 = 19/5
In mixed form: 34/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/10+63/18 3/20+63/18 3/10+63/36 9/10+63/18 3/30+63/18 3/10+63/54 15/10+63/18 3/50+63/18 3/10+63/90 21/10+63/18 3/70+63/18