Add 45/42 and 14/81
1st number: 1 3/42, 2nd number: 14/81
45/42 + 14/81 is 1411/1134.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 81 is 1134
Next, find the equivalent fraction of both fractional numbers with denominator 1134 - For the 1st fraction, since 42 × 27 = 1134,
45/42 = 45 × 27/42 × 27 = 1215/1134 - Likewise, for the 2nd fraction, since 81 × 14 = 1134,
14/81 = 14 × 14/81 × 14 = 196/1134 - Add the two like fractions:
1215/1134 + 196/1134 = 1215 + 196/1134 = 1411/1134 - So, 45/42 + 14/81 = 1411/1134
In mixed form: 1277/1134
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/42+14/81 45/42+28/81 45/84+14/81 45/42+42/81 45/42+70/81 45/42+98/81