Add 2/4 and 7/20
2/4 + 7/20 is 17/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
2/4 = 2 × 5/4 × 5 = 10/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
7/20 = 7 × 1/20 × 1 = 7/20 - Add the two like fractions:
10/20 + 7/20 = 10 + 7/20 = 17/20 - So, 2/4 + 7/20 = 17/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/4+14/20 2/8+7/20 2/4+7/40 6/4+7/20 2/4+21/20 2/12+7/20 2/4+7/60 10/4+7/20 2/4+35/20 2/20+7/20 14/4+7/20 2/4+49/20 2/28+7/20