Add 60/72 and 5/81
60/72 + 5/81 is 145/162.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 81 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 72 × 9 = 648,
60/72 = 60 × 9/72 × 9 = 540/648 - Likewise, for the 2nd fraction, since 81 × 8 = 648,
5/81 = 5 × 8/81 × 8 = 40/648 - Add the two like fractions:
540/648 + 40/648 = 540 + 40/648 = 580/648 - 580/648 simplified gives 145/162
- So, 60/72 + 5/81 = 145/162
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/72+10/81 60/72+15/81 60/72+25/81 60/72+35/81