Add 80/28 and 27/10
1st number: 2 24/28, 2nd number: 2 7/10
80/28 + 27/10 is 389/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 10 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
80/28 = 80 × 5/28 × 5 = 400/140 - Likewise, for the 2nd fraction, since 10 × 14 = 140,
27/10 = 27 × 14/10 × 14 = 378/140 - Add the two like fractions:
400/140 + 378/140 = 400 + 378/140 = 778/140 - 778/140 simplified gives 389/70
- So, 80/28 + 27/10 = 389/70
In mixed form: 539/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/28+54/10 80/56+27/10 80/28+27/20 80/28+81/10 80/84+27/10 80/28+27/30 80/28+27/50 80/28+27/70