Add 28/2 and 80/7
1st number: 14 0/2, 2nd number: 11 3/7
28/2 + 80/7 is 178/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 2 × 7 = 14,
28/2 = 28 × 7/2 × 7 = 196/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
80/7 = 80 × 2/7 × 2 = 160/14 - Add the two like fractions:
196/14 + 160/14 = 196 + 160/14 = 356/14 - 356/14 simplified gives 178/7
- So, 28/2 + 80/7 = 178/7
In mixed form: 253/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/2+80/7 28/4+80/7 28/2+80/14 84/2+80/7 28/6+80/7 28/2+80/21 28/10+80/7 28/2+80/35 28/14+80/7 28/2+80/49