Add 80/4 and 56/15
1st number: 20 0/4, 2nd number: 3 11/15
80/4 + 56/15 is 356/15.
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,
56/15 = 56 × 4/15 × 4 = 224/60 - Add the two like fractions:
1200/60 + 224/60 = 1200 + 224/60 = 1424/60 - 1424/60 simplified gives 356/15
- So, 80/4 + 56/15 = 356/15
In mixed form: 2311/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/8+56/15 80/4+56/30 80/12+56/15 80/4+56/45 80/20+56/15 80/4+56/75 80/28+56/15