Add 80/4 and 27/15
1st number: 20 0/4, 2nd number: 1 12/15
80/4 + 27/15 is 109/5.
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,
80/4 = 80 × 15/4 × 15 = 1200/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
27/15 = 27 × 4/15 × 4 = 108/60 - Add the two like fractions:
1200/60 + 108/60 = 1200 + 108/60 = 1308/60 - 1308/60 simplified gives 109/5
- So, 80/4 + 27/15 = 109/5
In mixed form: 214/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/4+54/15 80/8+27/15 80/4+27/30 80/4+81/15 80/12+27/15 80/4+27/45 80/20+27/15 80/4+27/75 80/28+27/15