Add 63/2 and 30/81
1st number: 31 1/2, 2nd number: 30/81
63/2 + 30/81 is 1721/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 2 × 81 = 162,
63/2 = 63 × 81/2 × 81 = 5103/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
30/81 = 30 × 2/81 × 2 = 60/162 - Add the two like fractions:
5103/162 + 60/162 = 5103 + 60/162 = 5163/162 - 5163/162 simplified gives 1721/54
- So, 63/2 + 30/81 = 1721/54
In mixed form: 3147/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/2+60/81 63/4+30/81 63/2+90/81 63/6+30/81 63/10+30/81 63/14+30/81