Add 3/10 and 4/20
3/10 + 4/20 is 1/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
3/10 = 3 × 2/10 × 2 = 6/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
4/20 = 4 × 1/20 × 1 = 4/20 - Add the two like fractions:
6/20 + 4/20 = 6 + 4/20 = 10/20 - 10/20 simplified gives 1/2
- So, 3/10 + 4/20 = 1/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/10+4/20 3/10+8/20 3/20+4/20 3/10+4/40 9/10+4/20 3/10+12/20 3/30+4/20 3/10+4/60 15/10+4/20 3/50+4/20 21/10+4/20 3/10+28/20 3/70+4/20