Add 14/8 and 18/90
1st number: 1 6/8, 2nd number: 18/90
14/8 + 18/90 is 39/20.
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,
18/90 = 18 × 4/90 × 4 = 72/360 - Add the two like fractions:
630/360 + 72/360 = 630 + 72/360 = 702/360 - 702/360 simplified gives 39/20
- So, 14/8 + 18/90 = 39/20
In mixed form: 119/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/8+18/90 14/8+36/90 14/16+18/90 42/8+18/90 14/8+54/90 14/24+18/90 70/8+18/90 14/40+18/90 98/8+18/90 14/56+18/90