Add 8/10 and 90/18
1st number: 8/10, 2nd number: 5 0/18
8/10 + 90/18 is 29/5.
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,
8/10 = 8 × 9/10 × 9 = 72/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
90/18 = 90 × 5/18 × 5 = 450/90 - Add the two like fractions:
72/90 + 450/90 = 72 + 450/90 = 522/90 - 522/90 simplified gives 29/5
- So, 8/10 + 90/18 = 29/5
In mixed form: 54/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/10+90/18 8/20+90/18 8/10+90/36 24/10+90/18 8/30+90/18 8/10+90/54 40/10+90/18 8/50+90/18 56/10+90/18 8/70+90/18