Add 20/10 and 2/8
1st number: 2 0/10, 2nd number: 2/8
20/10 + 2/8 is 9/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
20/10 = 20 × 4/10 × 4 = 80/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
2/8 = 2 × 5/8 × 5 = 10/40 - Add the two like fractions:
80/40 + 10/40 = 80 + 10/40 = 90/40 - 90/40 simplified gives 9/4
- So, 20/10 + 2/8 = 9/4
In mixed form: 21/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/10+2/8 20/10+4/8 20/10+2/16 60/10+2/8 20/10+6/8 20/30+2/8 20/10+2/24 20/10+10/8 20/50+2/8 20/10+2/40 20/10+14/8 20/70+2/8 20/10+2/56