Add 40/18 and 63/10
1st number: 2 4/18, 2nd number: 6 3/10
40/18 + 63/10 is 767/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
40/18 = 40 × 5/18 × 5 = 200/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
63/10 = 63 × 9/10 × 9 = 567/90 - Add the two like fractions:
200/90 + 567/90 = 200 + 567/90 = 767/90 - So, 40/18 + 63/10 = 767/90
In mixed form: 847/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/18+63/10 40/36+63/10 40/18+63/20 40/54+63/10 40/18+63/30 40/90+63/10 40/18+63/50 40/18+63/70