Add 81/8 and 35/90
1st number: 10 1/8, 2nd number: 35/90
81/8 + 35/90 is 757/72.
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,
81/8 = 81 × 45/8 × 45 = 3645/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
35/90 = 35 × 4/90 × 4 = 140/360 - Add the two like fractions:
3645/360 + 140/360 = 3645 + 140/360 = 3785/360 - 3785/360 simplified gives 757/72
- So, 81/8 + 35/90 = 757/72
In mixed form: 1037/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/8+70/90 81/16+35/90 81/24+35/90 81/40+35/90 81/56+35/90