Add 7/28 and 27/10
1st number: 7/28, 2nd number: 2 7/10
7/28 + 27/10 is 59/20.
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,
7/28 = 7 × 5/28 × 5 = 35/140 - Likewise, for the 2nd fraction, since 10 × 14 = 140,
27/10 = 27 × 14/10 × 14 = 378/140 - Add the two like fractions:
35/140 + 378/140 = 35 + 378/140 = 413/140 - 413/140 simplified gives 59/20
- So, 7/28 + 27/10 = 59/20
In mixed form: 219/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/28+27/10 7/28+54/10 7/56+27/10 7/28+27/20 21/28+27/10 7/28+81/10 7/84+27/10 7/28+27/30 35/28+27/10 7/28+27/50 49/28+27/10 7/28+27/70