Add 18/10 and 2/90
1st number: 1 8/10, 2nd number: 2/90
18/10 + 2/90 is 82/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 90 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 90 × 1 = 90,
2/90 = 2 × 1/90 × 1 = 2/90 - Add the two like fractions:
162/90 + 2/90 = 162 + 2/90 = 164/90 - 164/90 simplified gives 82/45
- So, 18/10 + 2/90 = 82/45
In mixed form: 137/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/10+2/90 18/10+4/90 18/20+2/90 54/10+2/90 18/10+6/90 18/30+2/90 90/10+2/90 18/10+10/90 18/50+2/90 18/10+14/90 18/70+2/90