Add 81/6 and 2/45
1st number: 13 3/6, 2nd number: 2/45
81/6 + 2/45 is 1219/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
81/6 = 81 × 15/6 × 15 = 1215/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
2/45 = 2 × 2/45 × 2 = 4/90 - Add the two like fractions:
1215/90 + 4/90 = 1215 + 4/90 = 1219/90 - So, 81/6 + 2/45 = 1219/90
In mixed form: 1349/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/6+4/45 81/12+2/45 81/6+2/90 81/6+6/45 81/18+2/45 81/6+10/45 81/30+2/45 81/6+14/45 81/42+2/45