Add 70/8 and 27/90
1st number: 8 6/8, 2nd number: 27/90
70/8 + 27/90 is 181/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
70/8 = 70 × 45/8 × 45 = 3150/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
27/90 = 27 × 4/90 × 4 = 108/360 - Add the two like fractions:
3150/360 + 108/360 = 3150 + 108/360 = 3258/360 - 3258/360 simplified gives 181/20
- So, 70/8 + 27/90 = 181/20
In mixed form: 91/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/8+54/90 70/16+27/90 70/8+81/90 70/24+27/90 70/40+27/90 70/56+27/90