Add 18/14 and 20/81
1st number: 1 4/14, 2nd number: 20/81
18/14 + 20/81 is 869/567.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 81 is 1134
Next, find the equivalent fraction of both fractional numbers with denominator 1134 - For the 1st fraction, since 14 × 81 = 1134,
18/14 = 18 × 81/14 × 81 = 1458/1134 - Likewise, for the 2nd fraction, since 81 × 14 = 1134,
20/81 = 20 × 14/81 × 14 = 280/1134 - Add the two like fractions:
1458/1134 + 280/1134 = 1458 + 280/1134 = 1738/1134 - 1738/1134 simplified gives 869/567
- So, 18/14 + 20/81 = 869/567
In mixed form: 1302/567
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/14+20/81 18/14+40/81 18/28+20/81 54/14+20/81 18/14+60/81 18/42+20/81 90/14+20/81 18/70+20/81 18/98+20/81