Add 80/18 and 4/10
1st number: 4 8/18, 2nd number: 4/10
80/18 + 4/10 is 218/45.
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,
80/18 = 80 × 5/18 × 5 = 400/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
4/10 = 4 × 9/10 × 9 = 36/90 - Add the two like fractions:
400/90 + 36/90 = 400 + 36/90 = 436/90 - 436/90 simplified gives 218/45
- So, 80/18 + 4/10 = 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: 80/18+8/10 80/36+4/10 80/18+4/20 80/18+12/10 80/54+4/10 80/18+4/30 80/18+20/10 80/90+4/10 80/18+4/50 80/18+28/10 80/18+4/70