Add 81/6 and 8/45
1st number: 13 3/6, 2nd number: 8/45
81/6 + 8/45 is 1231/90.
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,
8/45 = 8 × 2/45 × 2 = 16/90 - Add the two like fractions:
1215/90 + 16/90 = 1215 + 16/90 = 1231/90 - So, 81/6 + 8/45 = 1231/90
In mixed form: 1361/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/6+16/45 81/12+8/45 81/6+8/90 81/6+24/45 81/18+8/45 81/6+40/45 81/30+8/45 81/6+56/45 81/42+8/45