Add 4/20 and 7/5
1st number: 4/20, 2nd number: 1 2/5
4/20 + 7/5 is 8/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
4/20 = 4 × 1/20 × 1 = 4/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
7/5 = 7 × 4/5 × 4 = 28/20 - Add the two like fractions:
4/20 + 28/20 = 4 + 28/20 = 32/20 - 32/20 simplified gives 8/5
- So, 4/20 + 7/5 = 8/5
In mixed form: 13/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/20+7/5 4/20+14/5 4/40+7/5 4/20+7/10 12/20+7/5 4/20+21/5 4/60+7/5 4/20+7/15 4/20+35/5 4/20+7/25 28/20+7/5 4/20+49/5 4/20+7/35