Add 2/81 and 42/60
2/81 + 42/60 is 587/810.
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,
2/81 = 2 × 20/81 × 20 = 40/1620 - Likewise, for the 2nd fraction, since 60 × 27 = 1620,
42/60 = 42 × 27/60 × 27 = 1134/1620 - Add the two like fractions:
40/1620 + 1134/1620 = 40 + 1134/1620 = 1174/1620 - 1174/1620 simplified gives 587/810
- So, 2/81 + 42/60 = 587/810
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/81+42/60 2/81+84/60 6/81+42/60 10/81+42/60 14/81+42/60