Add 14/8 and 81/90
1st number: 1 6/8, 2nd number: 81/90
14/8 + 81/90 is 53/20.
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,
14/8 = 14 × 45/8 × 45 = 630/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
81/90 = 81 × 4/90 × 4 = 324/360 - Add the two like fractions:
630/360 + 324/360 = 630 + 324/360 = 954/360 - 954/360 simplified gives 53/20
- So, 14/8 + 81/90 = 53/20
In mixed form: 213/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/8+81/90 14/16+81/90 42/8+81/90 14/24+81/90 70/8+81/90 14/40+81/90 98/8+81/90 14/56+81/90