Add 4/15 and 20/4
1st number: 4/15, 2nd number: 5 0/4
4/15 + 20/4 is 79/15.
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,
4/15 = 4 × 4/15 × 4 = 16/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
20/4 = 20 × 15/4 × 15 = 300/60 - Add the two like fractions:
16/60 + 300/60 = 16 + 300/60 = 316/60 - 316/60 simplified gives 79/15
- So, 4/15 + 20/4 = 79/15
In mixed form: 54/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/15+20/4 4/15+40/4 4/30+20/4 4/15+20/8 12/15+20/4 4/15+60/4 4/45+20/4 4/15+20/12 20/15+20/4 4/75+20/4 28/15+20/4 4/15+20/28