Add 18/10 and 81/14
1st number: 1 8/10, 2nd number: 5 11/14
18/10 + 81/14 is 531/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 14 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
18/10 = 18 × 7/10 × 7 = 126/70 - Likewise, for the 2nd fraction, since 14 × 5 = 70,
81/14 = 81 × 5/14 × 5 = 405/70 - Add the two like fractions:
126/70 + 405/70 = 126 + 405/70 = 531/70 - So, 18/10 + 81/14 = 531/70
In mixed form: 741/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/10+81/14 18/20+81/14 18/10+81/28 54/10+81/14 18/30+81/14 18/10+81/42 90/10+81/14 18/50+81/14 18/10+81/70 18/70+81/14 18/10+81/98