Add 81/10 and 14/18
1st number: 8 1/10, 2nd number: 14/18
81/10 + 14/18 is 799/90.
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,
81/10 = 81 × 9/10 × 9 = 729/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
14/18 = 14 × 5/18 × 5 = 70/90 - Add the two like fractions:
729/90 + 70/90 = 729 + 70/90 = 799/90 - So, 81/10 + 14/18 = 799/90
In mixed form: 879/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/10+28/18 81/20+14/18 81/10+14/36 81/10+42/18 81/30+14/18 81/10+14/54 81/10+70/18 81/50+14/18 81/10+14/90 81/10+98/18 81/70+14/18