Add 63/10 and 40/90
1st number: 6 3/10, 2nd number: 40/90
63/10 + 40/90 is 607/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
63/10 = 63 × 9/10 × 9 = 567/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
40/90 = 40 × 1/90 × 1 = 40/90 - Add the two like fractions:
567/90 + 40/90 = 567 + 40/90 = 607/90 - So, 63/10 + 40/90 = 607/90
In mixed form: 667/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/10+80/90 63/20+40/90 63/30+40/90 63/50+40/90 63/70+40/90