Add 18/28 and 27/10
1st number: 18/28, 2nd number: 2 7/10
18/28 + 27/10 is 117/35.
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,
18/28 = 18 × 5/28 × 5 = 90/140 - Likewise, for the 2nd fraction, since 10 × 14 = 140,
27/10 = 27 × 14/10 × 14 = 378/140 - Add the two like fractions:
90/140 + 378/140 = 90 + 378/140 = 468/140 - 468/140 simplified gives 117/35
- So, 18/28 + 27/10 = 117/35
In mixed form: 312/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/28+27/10 18/28+54/10 18/56+27/10 18/28+27/20 54/28+27/10 18/28+81/10 18/84+27/10 18/28+27/30 90/28+27/10 18/28+27/50 18/28+27/70