Add 18/10 and 84/45
1st number: 1 8/10, 2nd number: 1 39/45
18/10 + 84/45 is 11/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
18/10 = 18 × 9/10 × 9 = 162/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
84/45 = 84 × 2/45 × 2 = 168/90 - Add the two like fractions:
162/90 + 168/90 = 162 + 168/90 = 330/90 - 330/90 simplified gives 11/3
- So, 18/10 + 84/45 = 11/3
In mixed form: 32/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/10+84/45 18/20+84/45 18/10+84/90 54/10+84/45 18/30+84/45 90/10+84/45 18/50+84/45 18/70+84/45