Add 4/10 and 80/18
1st number: 4/10, 2nd number: 4 8/18
4/10 + 80/18 is 218/45.
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,
4/10 = 4 × 9/10 × 9 = 36/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
80/18 = 80 × 5/18 × 5 = 400/90 - Add the two like fractions:
36/90 + 400/90 = 36 + 400/90 = 436/90 - 436/90 simplified gives 218/45
- So, 4/10 + 80/18 = 218/45
In mixed form: 438/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/10+80/18 4/20+80/18 4/10+80/36 12/10+80/18 4/30+80/18 4/10+80/54 20/10+80/18 4/50+80/18 4/10+80/90 28/10+80/18 4/70+80/18