Add 72/81 and 14/60
72/81 + 14/60 is 101/90.
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,
72/81 = 72 × 20/81 × 20 = 1440/1620 - Likewise, for the 2nd fraction, since 60 × 27 = 1620,
14/60 = 14 × 27/60 × 27 = 378/1620 - Add the two like fractions:
1440/1620 + 378/1620 = 1440 + 378/1620 = 1818/1620 - 1818/1620 simplified gives 101/90
- So, 72/81 + 14/60 = 101/90
In mixed form: 111/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/81+28/60 72/81+42/60 72/81+70/60 72/81+98/60