Add 18/8 and 84/45
1st number: 2 2/8, 2nd number: 1 39/45
18/8 + 84/45 is 247/60.
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,
18/8 = 18 × 45/8 × 45 = 810/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
84/45 = 84 × 8/45 × 8 = 672/360 - Add the two like fractions:
810/360 + 672/360 = 810 + 672/360 = 1482/360 - 1482/360 simplified gives 247/60
- So, 18/8 + 84/45 = 247/60
In mixed form: 47/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/8+84/45 18/16+84/45 18/8+84/90 54/8+84/45 18/24+84/45 90/8+84/45 18/40+84/45 18/56+84/45