Add 6/8 and 81/45
1st number: 6/8, 2nd number: 1 36/45
6/8 + 81/45 is 51/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
6/8 = 6 × 45/8 × 45 = 270/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
81/45 = 81 × 8/45 × 8 = 648/360 - Add the two like fractions:
270/360 + 648/360 = 270 + 648/360 = 918/360 - 918/360 simplified gives 51/20
- So, 6/8 + 81/45 = 51/20
In mixed form: 211/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/8+81/45 6/16+81/45 6/8+81/90 18/8+81/45 6/24+81/45 30/8+81/45 6/40+81/45 42/8+81/45 6/56+81/45