Add 80/10 and 4/18
1st number: 8 0/10, 2nd number: 4/18
80/10 + 4/18 is 74/9.
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,
80/10 = 80 × 9/10 × 9 = 720/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
4/18 = 4 × 5/18 × 5 = 20/90 - Add the two like fractions:
720/90 + 20/90 = 720 + 20/90 = 740/90 - 740/90 simplified gives 74/9
- So, 80/10 + 4/18 = 74/9
In mixed form: 82/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/10+8/18 80/20+4/18 80/10+4/36 80/10+12/18 80/30+4/18 80/10+4/54 80/10+20/18 80/50+4/18 80/10+4/90 80/10+28/18 80/70+4/18