Add 9/10 and 63/18
1st number: 9/10, 2nd number: 3 9/18
9/10 + 63/18 is 22/5.
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,
9/10 = 9 × 9/10 × 9 = 81/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
63/18 = 63 × 5/18 × 5 = 315/90 - Add the two like fractions:
81/90 + 315/90 = 81 + 315/90 = 396/90 - 396/90 simplified gives 22/5
- So, 9/10 + 63/18 = 22/5
In mixed form: 42/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/10+63/18 9/20+63/18 9/10+63/36 27/10+63/18 9/30+63/18 9/10+63/54 45/10+63/18 9/50+63/18 9/10+63/90 63/10+63/18 9/70+63/18