Add 30/20 and 7/5
1st number: 1 10/20, 2nd number: 1 2/5
30/20 + 7/5 is 29/10.
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,
30/20 = 30 × 1/20 × 1 = 30/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
7/5 = 7 × 4/5 × 4 = 28/20 - Add the two like fractions:
30/20 + 28/20 = 30 + 28/20 = 58/20 - 58/20 simplified gives 29/10
- So, 30/20 + 7/5 = 29/10
In mixed form: 29/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20+7/5 30/20+14/5 30/40+7/5 30/20+7/10 90/20+7/5 30/20+21/5 30/60+7/5 30/20+7/15 30/20+35/5 30/20+7/25 30/20+49/5 30/20+7/35