Add 45/10 and 8/18
1st number: 4 5/10, 2nd number: 8/18
45/10 + 8/18 is 89/18.
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,
45/10 = 45 × 9/10 × 9 = 405/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
8/18 = 8 × 5/18 × 5 = 40/90 - Add the two like fractions:
405/90 + 40/90 = 405 + 40/90 = 445/90 - 445/90 simplified gives 89/18
- So, 45/10 + 8/18 = 89/18
In mixed form: 417/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10+8/18 45/10+16/18 45/20+8/18 45/10+8/36 45/10+24/18 45/30+8/18 45/10+8/54 45/10+40/18 45/50+8/18 45/10+8/90 45/10+56/18 45/70+8/18