Add 27/10 and 12/28
1st number: 2 7/10, 2nd number: 12/28
27/10 + 12/28 is 219/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 10 × 14 = 140,
27/10 = 27 × 14/10 × 14 = 378/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
12/28 = 12 × 5/28 × 5 = 60/140 - Add the two like fractions:
378/140 + 60/140 = 378 + 60/140 = 438/140 - 438/140 simplified gives 219/70
- So, 27/10 + 12/28 = 219/70
In mixed form: 39/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/10+12/28 27/10+24/28 27/20+12/28 27/10+12/56 81/10+12/28 27/10+36/28 27/30+12/28 27/10+12/84 27/10+60/28 27/50+12/28 27/10+84/28 27/70+12/28