Add 50/60 and 1/81
50/60 + 1/81 is 137/162.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 81 is 1620
Next, find the equivalent fraction of both fractional numbers with denominator 1620 - For the 1st fraction, since 60 × 27 = 1620,
50/60 = 50 × 27/60 × 27 = 1350/1620 - Likewise, for the 2nd fraction, since 81 × 20 = 1620,
1/81 = 1 × 20/81 × 20 = 20/1620 - Add the two like fractions:
1350/1620 + 20/1620 = 1350 + 20/1620 = 1370/1620 - 1370/1620 simplified gives 137/162
- So, 50/60 + 1/81 = 137/162
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/60+2/81 50/60+3/81 50/60+5/81 50/60+7/81