Add 16/4 and 20/15
1st number: 4 0/4, 2nd number: 1 5/15
16/4 + 20/15 is 16/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
16/4 = 16 × 15/4 × 15 = 240/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
20/15 = 20 × 4/15 × 4 = 80/60 - Add the two like fractions:
240/60 + 80/60 = 240 + 80/60 = 320/60 - 320/60 simplified gives 16/3
- So, 16/4 + 20/15 = 16/3
In mixed form: 51/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/4+20/15 16/4+40/15 16/8+20/15 16/4+20/30 48/4+20/15 16/4+60/15 16/12+20/15 16/4+20/45 80/4+20/15 16/20+20/15 16/4+20/75 16/28+20/15