Add 18/28 and 25/35
18/28 + 25/35 is 19/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 35 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 35 × 4 = 140,
25/35 = 25 × 4/35 × 4 = 100/140 - Add the two like fractions:
90/140 + 100/140 = 90 + 100/140 = 190/140 - 190/140 simplified gives 19/14
- So, 18/28 + 25/35 = 19/14
In mixed form: 15/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/28+25/35 18/28+50/35 18/56+25/35 18/28+25/70 54/28+25/35 18/28+75/35 18/84+25/35 90/28+25/35