Add 7/5 and 28/30
1st number: 1 2/5, 2nd number: 28/30
7/5 + 28/30 is 7/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 5 × 6 = 30,
7/5 = 7 × 6/5 × 6 = 42/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
28/30 = 28 × 1/30 × 1 = 28/30 - Add the two like fractions:
42/30 + 28/30 = 42 + 28/30 = 70/30 - 70/30 simplified gives 7/3
- So, 7/5 + 28/30 = 7/3
In mixed form: 21/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/5+28/30 7/5+56/30 7/10+28/30 7/5+28/60 21/5+28/30 7/5+84/30 7/15+28/30 7/5+28/90 35/5+28/30 7/25+28/30 49/5+28/30 7/35+28/30