Add 20/10 and 3/90
1st number: 2 0/10, 2nd number: 3/90
20/10 + 3/90 is 61/30.
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,
20/10 = 20 × 9/10 × 9 = 180/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
3/90 = 3 × 1/90 × 1 = 3/90 - Add the two like fractions:
180/90 + 3/90 = 180 + 3/90 = 183/90 - 183/90 simplified gives 61/30
- So, 20/10 + 3/90 = 61/30
In mixed form: 21/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/10+3/90 20/10+6/90 60/10+3/90 20/10+9/90 20/30+3/90 20/10+15/90 20/50+3/90 20/10+21/90 20/70+3/90