Add 7/15 and 4/5
7/15 + 4/5 is 19/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 5 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 15 × 1 = 15,
7/15 = 7 × 1/15 × 1 = 7/15 - Likewise, for the 2nd fraction, since 5 × 3 = 15,
4/5 = 4 × 3/5 × 3 = 12/15 - Add the two like fractions:
7/15 + 12/15 = 7 + 12/15 = 19/15 - So, 7/15 + 4/5 = 19/15
In mixed form: 14/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/15+4/5 7/15+8/5 7/30+4/5 7/15+4/10 21/15+4/5 7/15+12/5 7/45+4/5 7/15+4/15 35/15+4/5 7/15+20/5 7/75+4/5 7/15+4/25 49/15+4/5 7/15+28/5 7/15+4/35