Add 18/14 and 45/81
1st number: 1 4/14, 2nd number: 45/81
18/14 + 45/81 is 116/63.
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,
45/81 = 45 × 14/81 × 14 = 630/1134 - Add the two like fractions:
1458/1134 + 630/1134 = 1458 + 630/1134 = 2088/1134 - 2088/1134 simplified gives 116/63
- So, 18/14 + 45/81 = 116/63
In mixed form: 153/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/14+45/81 18/14+90/81 18/28+45/81 54/14+45/81 18/42+45/81 90/14+45/81 18/70+45/81 18/98+45/81