Add 28/81 and 14/60
28/81 + 14/60 is 469/810.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 60 is 1620
Next, find the equivalent fraction of both fractional numbers with denominator 1620 - For the 1st fraction, since 81 × 20 = 1620,
28/81 = 28 × 20/81 × 20 = 560/1620 - Likewise, for the 2nd fraction, since 60 × 27 = 1620,
14/60 = 14 × 27/60 × 27 = 378/1620 - Add the two like fractions:
560/1620 + 378/1620 = 560 + 378/1620 = 938/1620 - 938/1620 simplified gives 469/810
- So, 28/81 + 14/60 = 469/810
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/81+14/60 28/81+28/60 84/81+14/60 28/81+42/60 28/81+70/60 28/81+98/60