Add 14/30 and 45/81
14/30 + 45/81 is 46/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 81 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 30 × 27 = 810,
14/30 = 14 × 27/30 × 27 = 378/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
45/81 = 45 × 10/81 × 10 = 450/810 - Add the two like fractions:
378/810 + 450/810 = 378 + 450/810 = 828/810 - 828/810 simplified gives 46/45
- So, 14/30 + 45/81 = 46/45
In mixed form: 11/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/30+45/81 14/30+90/81 14/60+45/81 42/30+45/81 14/90+45/81 70/30+45/81 98/30+45/81