Add 18/70 and 2/28
18/70 + 2/28 is 23/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
18/70 = 18 × 2/70 × 2 = 36/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
2/28 = 2 × 5/28 × 5 = 10/140 - Add the two like fractions:
36/140 + 10/140 = 36 + 10/140 = 46/140 - 46/140 simplified gives 23/70
- So, 18/70 + 2/28 = 23/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/70+2/28 18/70+4/28 18/70+2/56 54/70+2/28 18/70+6/28 18/70+2/84 90/70+2/28 18/70+10/28 18/70+14/28