Add 80/28 and 56/36
1st number: 2 24/28, 2nd number: 1 20/36
80/28 + 56/36 is 278/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
80/28 = 80 × 9/28 × 9 = 720/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
56/36 = 56 × 7/36 × 7 = 392/252 - Add the two like fractions:
720/252 + 392/252 = 720 + 392/252 = 1112/252 - 1112/252 simplified gives 278/63
- So, 80/28 + 56/36 = 278/63
In mixed form: 426/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/56+56/36 80/28+56/72 80/84+56/36