Add 7/15 and 20/4
1st number: 7/15, 2nd number: 5 0/4
7/15 + 20/4 is 82/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
7/15 = 7 × 4/15 × 4 = 28/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
20/4 = 20 × 15/4 × 15 = 300/60 - Add the two like fractions:
28/60 + 300/60 = 28 + 300/60 = 328/60 - 328/60 simplified gives 82/15
- So, 7/15 + 20/4 = 82/15
In mixed form: 57/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/15+20/4 7/15+40/4 7/30+20/4 7/15+20/8 21/15+20/4 7/15+60/4 7/45+20/4 7/15+20/12 35/15+20/4 7/75+20/4 49/15+20/4 7/15+20/28