Add 3/2 and 81/45
1st number: 1 1/2, 2nd number: 1 36/45
3/2 + 81/45 is 33/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
3/2 = 3 × 45/2 × 45 = 135/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
81/45 = 81 × 2/45 × 2 = 162/90 - Add the two like fractions:
135/90 + 162/90 = 135 + 162/90 = 297/90 - 297/90 simplified gives 33/10
- So, 3/2 + 81/45 = 33/10
In mixed form: 33/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/2+81/45 3/4+81/45 3/2+81/90 9/2+81/45 3/6+81/45 15/2+81/45 3/10+81/45 21/2+81/45 3/14+81/45