Add 50/60 and 3/81
50/60 + 3/81 is 47/54.
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,
3/81 = 3 × 20/81 × 20 = 60/1620 - Add the two like fractions:
1350/1620 + 60/1620 = 1350 + 60/1620 = 1410/1620 - 1410/1620 simplified gives 47/54
- So, 50/60 + 3/81 = 47/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/60+6/81 50/60+9/81 50/60+15/81 50/60+21/81